Smart II series interchangeable bit/socket set features extra-strong chrome moly vanadium steel. Smart II series interchangeable bit/socket set features extra-strong chrome moly vanadium steel Slotted: 9/64in., 3/16in., 1/4in. Phillips: PH1, PH2, PH3 SAE hex: 3/16in., 1/4in. Pozidriv: PZ1, PZ2, PZ3 Torx: T15, T20, T25, T30, T40 Sockets: 3/16in., 7/32in., 1/4in., 9/32in., 5/16in., 3/8in., 1/2in. 3in. socket extension 1/4in. adapter 1/4in. ratchet 1/4in. extension Combination screwdriver and T-handle