- 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. 6 x 25 mm

