HTD3M 20T 40Teeth Timing Pulley Belt Set Belt Width 10mm Bore 4~20mm Reduction 2:1 Deceleration 3M Pulley Kit Synchronous Wheel

High-concerned chemical：None isCustomized：Yes Number of Teeth：40/20 Model Number：HTD3M Material：Alloy Type：Timing Brand Name：XMSJ Origin：Mainland China

High-concerned chemical: None isCustomized: Yes Number of Teeth: 40/20 Model Number: HTD3M Material: Alloy Type: Timing Brand Name: XMSJ Origin: Mainland China