6 50 mm long Wera bits, clearly arranged in a compact space in the practical bit checker. High-quality bits for square socket screws with a holding function. The clamping force resulting from the surface pressure between the drive tip and the screw profile holds the screws securely on the tool. Tough, for universal use. 1/4" hexagon, suitable for holders according to DIN ISO 1173-F 6.3.