WINSINN GT2 Idler Pulley 20 Teeth 5mm Bore 6mm Width Timing Pulley Wheel Aluminum for 3D Printer (Pack of 5Pcs) 6mm Belt 5mm Bore 20T With Tooth auspowers_batchone HIGH QUALITY TO BE TRUSTWORTHY:

HIGH QUALITY TO BE TRUSTWORTHY: 304 stainless steel material

Hardness: HRC 32-39

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WINSINN GT2 Idler Pulley 20 Teeth 5mm Bore 6mm Width Timing Pulley Wheel Aluminum for 3D Printer (Pack of 5Pcs) 6mm Belt 5mm Bore 20T With Tooth auspowers_batchone HIGH QUALITY TO BE TRUSTWORTHY:WINSINN GT2 Idler Pulley 20 Teeth 5mm Bore 6mm Width Timing Pulley Wheel Aluminum for 3D Printer (Pack of 5Pcs) ? Material: High quality Aluminum.? Teeth Type: 20 Teeth ? Bore: 5mm? NIdler Pulley bearings: Double Motor grade bearings? Suitable for 6mm Width Timing Bel t Package include: ? 5 x Idler PulleyProduct Warranty: WINSINN are devoted to offer premium quality products to all cherished customers. Meanwhile supply 60 days money back guarantee and