1.Timing pulley is of high quality 2. Non-standard, OEM available 3.Good quality raw material, precision machining Timing pulley,timing belt, pulley ... , steel sheave, conveyor pulley are high quality and most competitive in market.Features:Teeth Type: MXL,XL,L,H,XH,XXH,XXL,SL9,SL12 ... ,SL,HTD:3M,5M,8M,14M,20M AND SO ONMetric System: T-type ...