12 Teeth HTD 3M Timing Pulley Bore 3 3.17 4 5 6 6.35 7mm 12T HTD3M Synchronous Wheel Belt Width 6mm 10mm 15mm 12Tooth 3M Gear

12 Teeth HTD 3M Timing Pulley Bore 3 3.17 4 5 6 6.35 7mm 12T HTD3M Synchronous Wheel Belt Width 6mm 10mm 15mm 12Tooth 3M Gear

Aliexpress UK