Wera 840/1 Z Hex Screwdriver Bit 3mm 1/4" Hex 25mm Length

840/1 Z bits, 3 x 25 mmTough Wera bits for hexagonal socket screws, for universal use. Hex-Plus offers larger contact surfaces in the screw head. The notch effect is reduced to a minimum and the destruction of the screw is nearly eliminated. 1/4", hexagonal, suitable for holding tools as per DIN ISO 1173-D 6.3.