1.Timing pulley is of high quality 2. Non-standard, OEM available 3.Good quality raw material, precision machining Timing ... timing tensioner, steel sheave, conveyor pulley are high quality and most competitive in market.Features:Teeth Type: ... ,S4.5M,S5M,S8M,S14M)The British System:MXL,XL,L,H,XMaterial:1045 carbon ... as their supplied specification, hole, key way and width.Outside diameter of pulleys and ...