Tough viscous Wera bits for hexagon socket screws for universal use.
For socket head screws Ductile and tough for hard materials Hex-Plus allows socket head screws to live longer 1/4" hexagon drive (Wera connecting series 4) Suitable for AEG, ARO, Atlas-Copco, Biax, Black & Decker, Bosch, Buckeye Tools etc..3. Wera 840/4 Z Bits 1/4" hexagon, suitable for holders as per DIN ISO 1173-F 6.