... material, precision machining Timing pulley,timing belt, pulley, belt pulley,timing belt pulley, synchronous pulley, synchronized pulley, steel pulley, sheave ... pulley,timing belt tensioner, tensioner bearing, timing tensioner, steel sheave, conveyor pulley are high quality and most competitive ... System:MXL,XL,L,H,XMaterial:1045 carbon steel, aluminum alloy frequently used,brass and nylon available ...