1/4" hex drive DIN 3126 and ISO 1173, style C 6.3 For slotted, Phillips, Pozidriv, hexagonal, TORX® tamper screws For universal use High performance alloy steel Sand blasting + antirust oil 1/4" square socket adaptor, ball type for regular nut driver socket (style C 6.3) Universal bit holder with strong magnet (style E 6.3) Magnetic quick release bit holder with lock in type system (style E 6.3) Robust and tough bits TORX® bits are coloured to easy identify the size of the tip The box is robust, tough and durable and gives a very good protection of the bits.