840/9 C bits Hex-Plus, 2 x 44 mm The Wera hard bits for hexagon socket screws. Come with a Hex-Plus profile that prevents any rounding of the screw head. Drive 4 mm half-moon for direct power tool connection. For socket head screws
Ductile and tough for hard materials
Hex-Plus allows socket head screws to live longer
4 mm half-moon drive Application: Hexagon socket screws Drive Half-moon, 4 mm Design Hard