#mm bore with tooth
UPC 686603769133
WINSINN GT2 Idler Pulley 20 Teeth 4mm Bore 6mm Width Timing Pulley Wheel Aluminum for 3D Printer
Best Price: $8.98
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UPC 686603768877
WINSINN GT2 Idler Pulley 20 Teeth 3mm Bore 6mm Width Timing Pulley Wheel Aluminum for 3D Printer
Best Price: $10.98
View Product