• 1/4" hex drive DIN 3126 and ISO 1173, style C 6.3 • For Phillips head screws • Suitable for hard material applications • High performance alloy steel • Torsion zone that absorbs torque peaks avoiding premature wear and tear and improving service life • Steel-grey surface coated with clear lacquer for rust protection • Available in small blister pack of 2 pieces or plastic box of 10 pieces • A softer bit is more wear resistant against sudden impacts (in hard materials), preventing the tip from breaking prematurely