WERA 05380127001 842/4 Bits, 9/64 x 3 1/2 inches

Tough Wera bits for hexagonal socket screws, for universal use. 1/4″ hexagon drive (Wera connecting series 4). Tough bits: Tough Wera bits prevent the tip from breaking prematurely. Z-bits usually are the bit for universal screwdriving applications.