Wera 25mm Hard H Robertson 2 Square Bits supplied in a Bit-Box with a slide switch allows simple and gradual removal and reinsertion of the bits The transparent reverse side provides an easy contents check Designed for universal use in drilldrivers whilst offering an entry level performance Thanks to a best-possible utilisation of the material properties optimally designed geometry and hot forging Wera Z bits deliver an extended service life especially if combined with Wera 8974 torsion bit holders