Thread Button Bit 1)thread:R22,R25,R28,R32,R35,R38,T38,T45,T51,ST58,T60 2)diameter:42-127mm Retrac Button Bit 1)thread:R22,R25,R28,R32,R35,R38,T38,T45,T51,ST58,T60 2)diameter:42-127mm Thread cross bit 1)thread:R22,R25,R28,R32 2)diameter:33-64mm Shank adaptors 1)thread:R28,R32,R38,R45,T45,T51,ST58,ST68,HL64 case