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 ... ,S3M,S4.5M,S5M,S8M,S14M)The British System:MXL,XL,L,H,XMaterial:1045 carbon steel, aluminum alloy frequently used ...