- For Phillips screws
- Torsion zone for absorption of peak loads
- Enhanced service life of the bits
- Tough for hard materials
- 1/4 hexagon drive (Wera connecting series 1)
Application:Phillips screws
Drive:1/4 hexagon. tough. for universal use
Includes:
- 851/1 TZ SB bits. PH 1 x 25 mm. 2 pieces
- 2x 851/1 TZ bits: PH 1 x 25 mm

