... ,L075,L100,H075,H100,H150,H200,H300,XH200,XH300,XH400 Timing belt pulley: Models : XL037,L050,L075,L100,H075,H100,H150,H200 ... Pilot bore ,taper bore, QD bore Material : 1045 steel , aluminum and stainless steel Surface finish: black oxidized phosphate, anodized , zinc-plated ...