Synchronous Pulley; 3/8" Belt Width; 1/5 Inch Belt Pitch; XL Belt Style; 11 Teeth; 0.43" Face Width; Rough Bore; 0.929" Flange OD; 0.68" Outside Diameter; 0.7" Pitch Diameter; No Keyway; No Bushing; Yes Minimum Plain Bore; 1/4" Max Bore