Chrome vanadium. Includes: 5 x Slotted (1 x SL3, SL4, SL5, SL6, SL7); 8 x Phillips (1 x PH0, 2 x PH1, 3 x PH2, 2 x PH3); 7 x PZ (2 x PZ1, 3 x PZ2, 2 x PZ3); 6 x Trx (1 x T10, T15, T20, T25, T30, T40); 6 x Hex (1 x 2, 2.5, 3, 4, 5, 6mm); bit holder and case.