Description:

• For hexagon socket screws with safety pin (BO = with bore hole)
• Hex-Plus allows socket head screws to live longer
• Tough for hard materials
• 1/4" hexagon drive (Wera connecting series 4)

Application:Hexagon socket screws with safety pin (BO = with bore hole)
Drive:1/4" hexagon, suitable for DIN ISO 1173-F 6.3 bit holders
Design:Hex-Plus with bore hole, tough, for universal use

Includes:

• 840/4 Z Tamper-proof Hex-Plus BO bits, 4 mm x 3-1/2" (89 mm)