2GT 12 15 16 20 Teeth 2GT Timing Pulley Bore 3.17/4/5/6/6.35/8mm For GT2 Timing Belt Width 6mm 10mm 15mm 3D Printer C NC Parts

2GT 12 15 16 20 Teeth 2GT Timing Pulley Bore 3.17/4/5/6/6.35/8mm For GT2 Timing Belt Width 6mm 10mm 15mm 3D Printer C NC Parts