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Best Choice CHANCS 
CHANCS Outer Diameter 30mm Single Groove Pulley 7mm Fixed Bore Pulley for Drilling Machine 6MM PU Round Belt Description:The inner hole of the pulley is accurate in size, formed with one knife, runs smoothly, and has high concentBaxnore 
Baxnore 5 PCS Motor Transmission Belt, Round Rubber Belt Pulley, 5mm Diameter Motor Belt, Heavy Duty Motor Drive Compone Flexibility: This round belt is engineered for round belt transmission, relying on the pressure between the belt and wheCHANCS 
CHANCS Outer Diameter 40mm Single Groove Pulley 7mm Fixed Bore Pulley for Drilling Machine 6MM PU Round Belt Description:The inner hole of the pulley is accurate in size, formed with one knife, runs smoothly, and has high concentBest Value Lokkr 
Lokkr 6PCS Aluminum 20 Teeth GT2 Timing Belt Pulley 8mm Bore 6mm Width, Synchronous Wheel for 3D Printer Parts Width 6mm ➤High Quality Material: Made of high-quality Aluminum Alloy, Surface oxidation treatment, durable, fine workmanship andLokkr Lokkr 6PCS Aluminum 20 Teeth GT2 Timing Belt Pulley 8mm Bore 6mm Width, Synchronous Wheel for 3D Printer Parts Width 6mm ➤High Quality Material: Made of high-quality Aluminum Alloy, Surface oxidation treatment, durable, fine workmanship anduxcell 
uxcell Single Groove Pulley 14mm Fixed Bore 30mm Outer Diameter Aluminum Alloy with Hex Wrench for Drilling Machine 6mm Size - Aperture Diameter: 4mm; Outer Diameter: 40mm; Overall Thickness: 17.5mm; Groove Width: 7mm; Groove Depth: 4.8mm;Baxnore 
Baxnore 5 PCS Motor Transmission Belt, Round Rubber Belt Pulley, 5mm Diameter Motor Belt, Heavy Duty Motor Drive Compone Flexibility: This round belt is engineered for round belt transmission, relying on the pressure between the belt and wheuxcell uxcell 2Pcs Single Groove Pulley, 16mm Fixed Bore 30mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 16mm / 0.63"; Outer Diameter: 30mm / 1.18"; And applicablLrocaoai 84Pcs ABS Belt Drive Round Belt Pulley Rubber Band Combination Set Stretchable Engine Drive Round Belt 4. Made of high quality material, in use.CHANCS CHANCS V-Type Pulley 16mm Outer Dia Single Groove Pulley 6mm Fixed Bore Pulley for Drilling Machine 4MM PU Round Belt Description:The inner hole of the pulley is accurate in size, formed with one knife, runs smoothly, and has high concentATNSINC ATNSINC 21PCS/Set GT2 Timing Belt Pulley Include 8pcs Mix Timing Belt 6 mm Width, 8pcs 20 Teeth 6mm Bore Belt Pulley Whe Package included: 8pcs GT2 close-loop belt in different size:110mm/ 112mm/122mm/158mm/200mm/280mm/300mm/400mm, 8 pcs GT2uxcell uxcell 2Pcs Single Groove Pulley, 4mm Fixed Bore, 30mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 4mm / 0.16"; Outer Diameter: 30mm / 1.18"; And applicableCHANCS CHANCS Double Groove Aluminum Alloy V-Groove Belt Pulley 30mm OD 8mm Fixed Bore Pulley for Motor Shaft Drilling Machine *Pulley wheel is made of high quality aluminium material, which is not easy to rust, durable and has a long service lifeOshhni Oshhni 28x Transmission Belt Pulley Rubber Band Multifuction Combination Set Engine Drive Belt for DIY Model Toy, Module 28Transmission BeltsIstoFlyt IstoFlyt 84Pcs ABS Belt Drive Round Belt Pulley Rubber Band Combination Set Stretchable Engine Drive Round Belt 4. Made of high quality material, in use.CHANCS CHANCS Outer Diameter 100mm Single Groove Pulley 14mm Fixed Bore Pulley for Drilling Machine 6MM PU Round Belt Description:The inner hole of the pulley is accurate in size, formed with one knife, runs smoothly, and has high concentCHANCS CHANCS Outer Diameter 80mm Single Groove Pulley 16mm Fixed Bore Pulley for Drilling Machine 6MM PU Round Belt Description:The inner hole of the pulley is accurate in size, formed with one knife, runs smoothly, and has high concentuxcell uxcell 5M 15Teeth Timing Pulley Synchronous Wheel Belt Drive Without Step 20mm Height 5mm Pitch 12.7mm Bore for Belt, 3D The silver color synchronous wheel is made of aluminum alloy with a high finish. Used in conjunction with timing belts,CHANCS CHANCS Outer Diameter 40mm Single Groove Pulley 12mm Fixed Bore Pulley for Drilling Machine 6MM PU Round Belt Description:The inner hole of the pulley is accurate in size, formed with one knife, runs smoothly, and has high concentCHANCS CHANCS Outer Diameter 3.1 in (80 mm) Single Groove Pulley 0.5 in (12 mm) Fixed Bore Pulley for Drilling Machines 6 MMPU Description:The inner hole of the pulley is accurate in size, formed with one knife, runs smoothly, and has high concentMarhynchus Round Belt Pulley, 14mm Aperture Clamp, Fixed Round Belt Pulley, Used For Drive (Diameter of the joint PD 96mm) ALUMINUM ALLOY MATERIAL: Made of aluminum alloy material, strong and durable, not easy to damage, and long service life.HARFINGTON HARFINGTON V-Type Pulley 10mm Bore 41mm Outer Dia Single Groove Aluminum Alloy for 3-5MM PU Round Belt Motor Shaft Drill Size - Aperture Diameter: 10mm; Outer Diameter: 41mm; Height: 16mm; The pulley is a single groove, fixed hole with machiHARFINGTON HARFINGTON V-Type Pulley 10mm Bore 41mm Outer Dia Single Groove Aluminum Alloy for 3-5MM PU Round Belt Motor Shaft Drill Size - Aperture Diameter: 10mm; Outer Diameter: 41mm; Height: 16mm; The pulley is a single groove, fixed hole with machiCHANCS CHANCS Outer Diameter 60mm Single Groove Pulley 14mm Fixed Bore Pulley for Drilling Machine 6MM PU Round Belt Description:The inner hole of the pulley is accurate in size, formed with one knife, runs smoothly, and has high concentLIYJTK Round Belt Pulley Aluminum Alloy Low Noise Clamp Fixed Drive Wheel Stable for Mechanical Pulleys Electric Motor Pulley ( [SOPHISTICATED PRODUCTION TECHNOLOGY] Ensures Good Elasticity and Smooth Movement in Round Belt Transmission, AlleviatinPeakloong Peakloong 84Pcs ABS Belt Drive Round Belt Pulley Rubber Band Combination Set Stretchable Engine Drive Round Belt 4. Made of high quality material, in use.ViaGasaFamido PU Polyurethane Transmission Round Belt for Conveyor Belt Applications, Bonding Machine Systems, and Dryer Equipment - 5 This Polyurethane round belt is rough surface. Easy to welding, easy installation, long service lifeDANAIXZ Round Belt Pulley Aluminum Alloy 14mm Aperture Stable Low Noise Clamp Fixed Drive Wheel (Diameter of The Joint PD 96mm) Using sophisticated production technology, this round belt pulley can be applied to round belt transmission and has goodColaxi Colaxi 28 Pieces Transmission Belt Pulley Rubber Band Lightweight Round Belting Combination Set for Module Car DIY Model 【Size】The folded length size odtransmission engine drive round belt is about 4.5 cm to 12 cm (4.5-5.5-6-6.5-7-7.5-8-8.5-CHANCS CHANCS Outer Diameter 100mm Single Groove Pulley 10mm Fixed Bore Pulley for Drilling Machine 6MM PU Round Belt Description:The inner hole of the pulley is accurate in size, formed with one knife, runs smoothly, and has high concentZUUOZBYY ZUUOZBYY 5 Pack Screw Fixed Round Pulley Durable VShaped Pulley with 16mm Diameter Hole for Round Belt Transmission (540 The screw fixed round pulley is to generate round belt transmission by tightening the friction of the belt.KuiopJet KuiopJet 2X Pulley 20 Teeth Bore 5mm + 6mm Timing Belt & 2X Idler 4X Tensioner for 3D Printer RepRap The round tooth shape ensures smooth installation of the belt teeth.KuiopJet KuiopJet 2X Pulley 20 Teeth Bore 5mm + 6mm Timing Belt & 2X Idler 4X Tensioner for 3D Printer RepRap The round tooth shape ensures smooth installation of the belt teeth.CHANCS CHANCS Outer Diameter 80mm Single Groove Pulley 5mm Fixed Bore Pulley for Drilling Machine 6MM PU Round Belt Description:The inner hole of the pulley is accurate in size, formed with one knife, runs smoothly, and has high concentLIYJTK Round Pulley Durable V-Shaped Pulley 8MM Hole Round Belt Transmission Applicable Scene (5401-0005-0008) [MADE OF ALUMINUM ALLOY] The screw fixed round pulley is strong and durable, ensuring effective machine protection.CHANCS CHANCS Single Groove Pulley 20mmOD 4mm Fixed Bore Pulley for Drilling Machine6MM PU Round Belt Description:The inner hole of the pulley is accurate in size, formed with one knife, runs smoothly, and has high concentHOOWIFFY HOOWIFFY 10Pcs 3D Printer Roller Wheels V-Groove Plastic Pulley Bearings Passive Large Diameter Black 5Mm Bore for 3D Pr Small pulley wheel--this v groove pulley is made of material, these pulleys are durable, sturdy and wearable,pulley wheeOTOTEC OTOTEC Sweeper Round Drive Belt 5x485mm Compatible with Karcher KM 550 S500 S550 S650 Side Brush 6.363-012.0 Compatible Models：6.363-012.0 63630120 Compatible with Kärcher KM 550, S 500, S 550, and S 650 sweepers to drive the sidViaGasaFamido ViaGasaFamido PU Transmission Round Belt Belting Green Rough PU Polyurethane Round Belt for Conveyor Bonding Machine Dry PU round belt, also known as PU round belt mainly PU particles as raw material which is produced after purification procuxcell uxcell V-Type Pulley 8mm Bore 50mm Outer Dia Single Groove Aluminum Alloy for 4-5MM PU Round Belt Motor Shaft Drilling M Size - Aperture Diameter: 5mm; Outer Diameter: 22mm; Height: 15mm; The pulley is a single groove, fixed hole with machinuxcell uxcell V-Type Pulley 5mm Bore 80mm Outer Dia Single Groove Aluminum Alloy for Motor Shaft Drilling Machine 6mm(1/4") PU Package Content: 1pcs single groove pulley with 2pcs machine screws. Overall Dimension: 5 x 80 x 17.5mm/ 0.2 x 3.15 x 0.BQLZR BQLZR 41x16x8MM Silver Aluminum Alloy Single Groove 8MM Fixed Bore Pulley for Motor Shaft 3-5MM PU Round Belts Made of aluminum, Groove step pulley, long time and use.uxcell uxcell V-Type Pulley 8mm Bore 50mm Outer Dia Single Groove Aluminum Alloy for 4-5MM PU Round Belt Motor Shaft Drilling M Size - Aperture Diameter: 5mm; Outer Diameter: 22mm; Height: 15mm; The pulley is a single groove, fixed hole with machinuxcell uxcell Polyurethane Round Belts 10mm Dia, 3 Meters (10ft) Length PU Polyurethane Belt for Drive Transmission (Rough Surf Size - Rough surface Polyurethane round belt with 10mm diameter, and 3 Meters (10ft) length.Ｓｉｍｈｏａ Ｓｉｍｈｏａ 28 Pieces Pulley Rubber Band Transmission Belt Round Belting Combination Set Pulley Belts for RC Toy DIY Toy Airp 【Material】Transmission belt made ofhigh quality rubber,which is durable for long term use.BQLZR BQLZR 41x16x8MM Silver Aluminum Alloy Single Groove 8MM Fixed Bore Pulley for Motor Shaft 3-5MM PU Round Belts Made of aluminum, Groove step pulley, long time and use.uxcell uxcell Single Groove Pulley 8mm Fixed Bore 60mm Outer Diameter Aluminum Alloy with Hex Wrench for Drilling Machine 6mm P Size - Aperture Diameter: 4mm; Outer Diameter: 40mm; Overall Thickness: 17.5mm; Groove Width: 7mm; Groove Depth: 4.8mm;FixFusion 1pc Aluminum Alloy Double Groove 50&60MM Pulley Wheel 8-20MM Fixed Bore Pulley for Motor Shaft 10MM Round Belt(15mm) 1pc Aluminum Alloy Double Groove 50&60MM Pulley Wheel 8-20MM Fixed Bore Pulley for Motor Shaft 10MM Round Beltuxcell uxcell V-Type Pulley 12mm Bore 41mm Outer Dia Single Groove Aluminum Alloy for 4-5MM PU Round Belt Motor Shaft Drilling Size - Aperture Diameter: 5mm; Outer Diameter: 22mm; Height: 15mm; The pulley is a single groove, fixed hole with machinFixFusion Aluminum Alloy 40&50mm Double Groove Pulley 8-20MM Fixed Bore V-shape Pulley Wheel for 10MM Round Belt(20mm) Aluminum Alloy 40&50mm Double Groove Pulley 8-20MM Fixed Bore V-shape Pulley Wheel for 10MM Round BeltACDelco ACDelco 38158 Professional Automatic Belt Tensioner and Pulley Assembly Designed to keep drive belt at proper tensionuxcell uxcell V-Type Pulley 8mm Bore 58mm Outer Dia Single Groove Aluminum Alloy for 3-5MM PU Round Belt Motor Shaft Drilling M Size - Aperture Diameter: 8mm; Outer Diameter: 58mm; Height: 16mm; The pulley is a single groove, fixed hole with machinAKLOSIPY Orange PU Polyurethane Round Belt 2mm x 10m – Drive Belt for DIY, Crafting, and Industrial Use High Tensile Strength - This PU round belt showcases an impressive tensile strength, ensuring it can withstand high tensViaGasaFamido Green Rough Polyurethane Round Conveyor Belt for Transmission Bonding Machine Dryer Systems - Durable PU Round Belt 4mm PU round belt, also known as PU round belt mainly PU particles as raw material which is produced after purification procTotority Totority 10 Pieces Plastic Pulley Passive Round Wheel Bearing Pulley with Wear Resistance Lightweight Design Appearance Pulleys--fully oiled pulley, smooth and accurate to high move precision, stability and no noise,roller wheelHARFINGTON HARFINGTON PU Transmission Belt Polyurethane Round Belts 2.5mm Dia 3.3ft(1 Meter) Length Smooth Surface Urethane Belt fo Size - Diameter: 2.5mm/0.1"; Perimeter: 3.3ft(1 Meter); Black Smooth Surface Urethane Round Beltuxcell uxcell 2Pcs Single Groove Pulley, 7mm Fixed Bore 20mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wren Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 7mm / 0.28"; Outer Diameter: 20mm / 0.79"; And applicableuxcell uxcell 2Pcs Single Groove Pulley, 5mm Fixed Bore 20mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wren Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 5mm / 0.2"; Outer Diameter: 20mm / 0.79"; And applicableANKROYU ANKROYU Round Belt Pulley, Aluminum Alloy Drive Wheel 14 mm Aperture, Low Noise Fixed Clamp Pulley for Mechanical Transm Transmission Design: This aluminium pulley integrates with round belts for effective friction drive; Transfers power smoLIXIAOTONG Double Groove Round Belt Pulley Transmission Wheel Model Belt Motor Pulley Outer Diameter 40mm 6/7/8/9/10/11/12/14/15/16 Bore size:6/7/8/9/10/11/12/14/15/16 mmuxcell uxcell Polyurethane Round Belts 5mm Dia 16.4ft(5 Meters) Length Smooth Surface PU Urethane Belt for Drive Transmission, Size - Diameter: 5mm; Perimeter: 16.4ft(5 Meters); White Smooth Surface Urethane Round Beltuxcell uxcell 2 Set V-Type Pulley 8mm Bore 50mm Outer Dia Single Groove Aluminum Alloy for 3-5MM PU Round Belt Motor Shaft Dril Size - Aperture Diameter: 8mm; Outer Diameter: 50mm; Height: 16mm; The pulley is a single groove, fixed hole with machinLIXIAOTONG Aluminum Alloy Round Belt Pulley Fixed with DIY Spindle Motor Drive Precision Beautiful Silk Top(6.35mm) Pulley for round beltuxcell uxcell 1Pcs Single Groove Pulley, 6mm Fixed Bore 50mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wren Package Content: 1Pcs Single Groove Pulley; Aperture Diameter: 6mm / 0.24"; Outer Diameter: 50mm / 1.97"; And applicableACDelco ACDelco 38194 Professional Automatic Belt Tensioner and Pulley Assembly Ensures proper belt tension, alignment, and damping for superior performanceHUHAXIXI 1piece Double Groove Pulley Wheel Aluminum Alloy, 10-38MM Fixed Bore Pulley Width 80mm for 10mm PU Round Belt(10 mm) Usage: Fit for A type belt or motor shaft 10MM PU round beltLIXIAOTONG Aluminum Alloy Misumi Round Belt Pulley Spindle Motor Drive Belt Wheel Diameter 100mm(10mm) Bore size:5/6/6.35/8/10/11/12/15/14mmuxcell uxcell 2Pcs Single Groove Pulley, 6mm Fixed Bore 20mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wren Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 6mm / 0.24"; Outer Diameter: 20mm / 0.79"; And applicableuxcell uxcell 2Pcs Single Groove Pulley, 10mm Fixed Bore 20mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 10mm / 0.39"; Outer Diameter: 20mm / 0.79"; And applicabluxcell uxcell 2Pcs Single Groove Pulley, 11mm Fixed Bore 60mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 11mm / 0.43"; Outer Diameter: 60mm / 2.36"; And applicabluxcell uxcell 2Pcs Single Groove Pulley, 5mm Fixed Bore, 16mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 5mm / 0.2"; Outer Diameter: 16mm / 0.63"; And applicableuxcell uxcell 1Pcs Single Groove Pulley, 18mm Fixed Bore 50mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 1Pcs Single Groove Pulley; Aperture Diameter: 18mm / 0.71"; Outer Diameter: 50mm / 1.97"; And applicabluxcell uxcell 1Pcs Single Groove Pulley, 20mm Fixed Bore 50mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 1Pcs Single Groove Pulley; Aperture Diameter: 20mm / 0.79"; Outer Diameter: 50mm / 1.97"; And applicabluxcell uxcell 1Pcs Single Groove Pulley, 12mm Fixed Bore 50mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 1Pcs Single Groove Pulley; Aperture Diameter: 12mm / 0.47"; Outer Diameter: 50mm / 1.97"; And applicabluxcell uxcell 2Pcs Single Groove Pulley, 15mm Fixed Bore 30mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 15mm / 0.59"; Outer Diameter: 30mm / 1.18"; And applicabluxcell uxcell 2Pcs Single Groove Pulley, 5mm Fixed Bore 30mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wren Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 5mm / 0.2"; Outer Diameter: 30mm / 1.18"; And applicableuxcell uxcell 2Pcs Single Groove Pulley, 7mm Fixed Bore 30mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wren Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 7mm / 0.28"; Outer Diameter: 30mm / 1.18"; And applicableuxcell uxcell 2Pcs Single Groove Pulley, 12mm Fixed Bore 30mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 12mm / 0.47"; Outer Diameter: 30mm / 1.18"; And applicabluxcell uxcell 2Pcs Single Groove Pulley, 8mm Fixed Bore 30mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wren Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 8mm / 0.31"; Outer Diameter: 30mm / 1.18"; And applicableuxcell uxcell 1Pcs Single Groove Pulley, 14mm Fixed Bore 50mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 1Pcs Single Groove Pulley; Aperture Diameter: 14mm / 0.55"; Outer Diameter: 50mm / 1.97"; And applicabluxcell uxcell 1Pcs Single Groove Pulley, 7mm Fixed Bore 50mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wren Package Content: 1Pcs Single Groove Pulley; Aperture Diameter: 7mm / 0.28"; Outer Diameter: 50mm / 1.97"; And applicableuxcell uxcell 1Pcs Single Groove Pulley, 11mm Fixed Bore 50mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 1Pcs Single Groove Pulley; Aperture Diameter: 11mm / 0.43"; Outer Diameter: 50mm / 1.97"; And applicabluxcell uxcell 1Pcs Single Groove Pulley, 10mm Fixed Bore 50mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 1Pcs Single Groove Pulley; Aperture Diameter: 10mm / 0.39"; Outer Diameter: 50mm / 1.97"; And applicabluxcell uxcell 2Pcs Single Groove Pulley, 15mm Fixed Bore 40mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 15mm / 0.59"; Outer Diameter: 40mm / 1.57"; And applicablLOPUNER LOPUNER Plastic Passive Round V Wheels 10 Pieces with 5Mm Bore for 3D Printer Applications Mechanical Stability for Prin Roller pulley--the pulleys are produced by high-precision automatic lathe machining, with less machining error,pulley whuxcell uxcell 2Pcs Single Groove Pulley, 17mm Fixed Bore 40mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 17mm / 0.67"; Outer Diameter: 40mm / 1.57"; And applicabluxcell uxcell 2Pcs Single Groove Pulley, 20mm Fixed Bore 40mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 20mm / 0.79"; Outer Diameter: 40mm / 1.57"; And applicabluxcell uxcell 2Pcs Single Groove Pulley, 14mm Fixed Bore 40mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 14mm / 0.55"; Outer Diameter: 40mm / 1.57"; And applicabluxcell uxcell 2Pcs Single Groove Pulley, 12mm Fixed Bore 40mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 12mm / 0.47"; Outer Diameter: 40mm / 1.57"; And applicabluxcell uxcell 2Pcs Single Groove Pulley, 16mm Fixed Bore 40mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 16mm / 0.63"; Outer Diameter: 40mm / 1.57"; And applicabluxcell uxcell 2Pcs Single Groove Pulley, 17mm Fixed Bore 60mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 17mm / 0.67"; Outer Diameter: 60mm / 2.36"; And applicabluxcell uxcell 2Pcs Single Groove Pulley, 11mm Fixed Bore 40mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 11mm / 0.43"; Outer Diameter: 40mm / 1.57"; And applicabluxcell uxcell 2Pcs Single Groove Pulley, 8mm Fixed Bore 40mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wren Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 8mm / 0.31"; Outer Diameter: 40mm / 1.57"; And applicableuxcell uxcell 2Pcs Single Groove Pulley, 6mm Fixed Bore 40mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wren Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 6mm / 0.24"; Outer Diameter: 40mm / 1.57"; And applicableuxcell uxcell 2Pcs Single Groove Pulley, 18mm Fixed Bore 60mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 18mm / 0.71"; Outer Diameter: 60mm / 2.36"; And applicabluxcell uxcell 2Pcs Single Groove Pulley, 12mm Fixed Bore 60mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 12mm / 0.47"; Outer Diameter: 60mm / 2.36"; And applicabluxcell uxcell 2Pcs Single Groove Pulley, 15mm Fixed Bore 60mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 15mm / 0.59"; Outer Diameter: 60mm / 2.36"; And applicabluxcell uxcell 2Pcs Single Groove Pulley, 7mm Fixed Bore 60mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wren Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 7mm / 0.28"; Outer Diameter: 60mm / 2.36"; And applicableuxcell uxcell 2Pcs Single Groove Pulley, 6mm Fixed Bore 60mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wren Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 6mm / 0.24"; Outer Diameter: 60mm / 2.36"; And applicableuxcell uxcell 2Pcs Single Groove Pulley, 20mm Fixed Bore 60mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 20mm / 0.79"; Outer Diameter: 60mm / 2.36"; And applicabl