Features and Benefits:•Set contains hex bit sockets, ball end hex bit sockets, Torx® bit sockets, external Torx® bit sockets, tamper proof Torx® bit sockets•Bits made of S2 steel for strength and durability•Heat-treated socket base for maximum durability•Hard stamped size markings•Bright, full polish chrome finish easily wipes clean and resists corrosion•Black oxide finish is corrosion resistant on External Torx sockets•For use with manual drive tools only•Includes blow mold case for storage and organization•Meets or exceeds ASME specifications