Contents: 1/4″Sq Drive; T10H, T15H, T20H, T25H, T27H, T30H, 3/8″Sq Drive; T40H, T45H, T47H, T50H, T55H, T60H, Minimum/Maximum Length; 25/40mm, 3/8″Sq(F) x 1/4″Sq(M) Adaptor. Contents: 1/4″Sq Drive; T10H, T15H, T20H, T25H, T27H, T30H, 3/8″Sq Drive; T40H, T45H, T47H, T50H, T55H, T60H, 3/8″Sq(F) x 1/4″Sq(M) Adaptor.