Synchronous Pulley; 20MM Belt Width; 8MM Belt Pitch; 8M-20 Belt Style; 80 Teeth; 28.575MM Face Width; Bushed; 213.868MM Flange OD; 202.336MM OD; 203.708MM Pitch Diameter; Yes Keyway; 24 To 42MM Bushing Bore Range; SDS Bushing; No Minimum Plain Bore