Product details : WERA 059790 851/4Z BIT PH3/70 EXTRA TOUGH
Tough and absorbing screwdriver bits ideal for hard materials such as metal or sheet steel.
Strengths
For Phillips screw Ductile and tough for hard materials Suitable for AEG, ARO, Atlas-Copco, Biax, Black & Decker, Bosch, Buckeye Tools etc. Prevents premature breakage of the drive tip