High quality bits for square socket screws. Tough viscous for universal use. 1/4" hexagon, suitable for holders as per DIN ISO 1173-F 6.3.

Features

• Suitable for square socket screws
• Ductile and tough for hard materials
• 1/4" hexagon drive (Wera connecting series 4)
• Suitable for AEG, ARO, Atlas-Copco, Biax, Black & Decker, Bosch, Buckeye Tools etc.
• Prevents premature breakage of the drive tip