... pully British Types: MXL,XL,L,H,XH,L,H,XH,XXH HTD Types:3M,5M,8M ... ,QD Timing pullyBritish Types: MXL,XL,L,H,XH,L,H,XH,XXHHTD Types:3M,5M,8M,14MTypes:T2 ... .5,T5,T10,T20Bore types: SB,TB,QDFeatures:1. Teeth Type: MXL,XL,L ... ,H,XH,XXH,XXL,SL9,SL12,SL,HTD:3M, ... , S14M)5. The British System:MXL,XL,L,H,X6. Material:1045 carbon steel, aluminum ...