3Pcs 3D Printer Parts GT2 Timing Pulley 20 Tooth 2GT Bore 4mm 5mm 6mm 6.35mm 8mm Synchronous Wheel Gear Part For Width 6mm 9mm

3Pcs 3D Printer Parts GT2 Timing Pulley 20 Tooth 2GT Bore 4mm 5mm 6mm 6.35mm 8mm Synchronous Wheel Gear Part For Width 6mm 9mm

Aliexpress UK