- For quick stretching and remove the drilling tool; no keys needed.
- Higher elasticity, solid retaining ring, short design, less weight.
- Automatically nachspannen when drilling proportionally to the pull-out elasticity. So the maintenance of spann power even hard to use.
- Automatically nachspannen when drilling proportionally to the pull-out elasticity. So the maintenance of spann power even hard to use.
Cocking – Lightweight design – with internal thread for clockwise rotation
