5Pcs GT2 Idler Timing Pulley Driven Wheel With Bearings 16/20 Tooth Wheel Bore 3/5mm Teeth Width 6/10mm For 3D Printer

5Pcs GT2 Idler Timing Pulley Driven Wheel With Bearings 16/20 Tooth Wheel Bore 3/5mm Teeth Width 6/10mm For 3D Printer

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