- Quick and easy installation with wood and chipboard screws.
- Removable – screw may be removed and reinserted
- High holding strength even in oversized holes
- Inner toothing provides reliable screwguidance and centering, outer teeth guarantees high pull-out loads
- The ribbed internal geometry suitable for screws makes it possible to guide the screw securely.
- Used in areas where fire considerations disallow the use of plastic anchors