High quality bits for Phillips screws. Extra-hard design. Profiled version. 1/4" hexagon, suitable for holders as per DIN ISO 1173-D 6.3.For Phillips screwsParticularly hard for semi-hard materialsProfiled version1/4" hexagon drive (Wera connecting series 1)Suitable for Bosch, Fein, Holz-Her, Lecreux, Metabo