- For Phillips screws
- Profiled version
- Optimum torque transfer and enhanced penetration into the head of the screw
- Particularly hard for semi-hard materials
- 1/4 hexagon drive (Wera connecting series 1)
Application:Phillips screws
Drive:1/4 hexagon. suitable for DIN ISO 1173-D 6.3 bit holders
Design:Extra-hard. profiled version
Includes:
- 851/1 A bits. PH 3 x 25 mm
