- For spanner screws
- Tough for hard materials
- Prevents premature breakage of the drive tip
- 1/4″ hexagon drive (Wera connecting series 1)
Application:Spanner screws
Drive:1/4″ hexagon, suitable for DIN ISO 1173-D 6.3 bit holders
Design:Tough, for universal use
Includes:
- 857/1 Z Spanner bits, 8 x 25 mm





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