Product details : WERA 056505 851/1TZ BIT PH1/25 EXTRA TOUGH TORSION
High quality bits for Phillips screws. The Torsion design means that torque peaks can be absorbed. This prevents premature wear and enhances the service life. Tough viscous for universal use.
Strengths
For Phillips screws Ductile and tough for hard materials Torsion design against premature wear