WERA Bit 840/4 Z 1/4 inch 3.0 mm length 89 mm tough-hard, HEX-Plus

Tough/hard
– For universal use
– For use with hand and power tools (conventional cordless screwdriver) Drive for 25 mm length: 6.3 mm (1/4) hexagon in accordance with DIN ISO 1173-C 6.3 Drive for 50/89 mm length: 6.3 mm (1/4) hexagon in accordance with DIN ISO 1173-E 6.3 Special product advantages: The Hex-Plus profile protects the screw thanks to a larger contact surface and significantly reduces the risk of stripped screw heads