1.Timing pulley is of high quality 2. Non-standard, OEM available 3.Good quality raw material, precision machining Timing pulley, ... , timing tensioner, steel sheave, conveyor pulley are high quality and most competitive in market.Features:Teeth Type: ... 3M,5M,8M,14M,20M AND SO ONMetric System: T-type serie(T2.5,T5,T10,T20 ... S3M,S4.5M,S5M,S8M,S14M)The British System:MXL,XL,L,H,XMaterial:1045 carbon steel, ...