Torx fixing systems are used extensively by car, commercial vehicle, & domestic appliance manufacturers, & on some electrical equipment, Chrome vanadium steel socket with S2 bit, High torque, Pack in blow mould case, Mirror polish & chrome plated for corrosion protection, Contains 10 x Rib profile bit (M4, 5, 6, 7, 8, 9, 10, 12, 13, 14), 10 x Star bit (T10, T15, T20, T25, T27, T30, T40, T45, T50, T55), 5 x Spline bit (M5, 6, 8, 10, 12), 6 x 3/8" Drive star socket (E10, E11, E12, E14, E16, E18), 3 x 1/4" Drive star socket (E6, E7, E8), 2 x Bit adaptor, 1 x 1/2" Drive X 10mm bit holder, 1 x 3/8" Drive X 10mm bit holder, 1 x 3/8" Drive magnetic extension bar (75mm)