The innovative DuoLine Assorted Plugs Set (833 pcs) for more functions, more power, more safety. Universal fixings for all building materials. Duopower (with folding, knotting or expanding function), DuoTec - the nylon toggle for high loads in all panel building materials and Duoblade - the self drilling plasterboard fixing. All in robust, stockable box for safe and conveniant transport and storage. Features: Fischer DuoPower - the 2-component fixing that decides for itself whether it spreads, folds or knots depending on the substrate Great feedback (feel-good factor) of the plug. You can feel exactly when the plug is installed perfectly The serrated anti-rotation feature prevents rotation in the drill hole during installation The narrow plug rim prevents slipping into the drill hole Duoblade - The black self-drilling metal tip guarantees simple and safe installation and for better heat-resistant and cutting characteristics. Especially in double-layered plasterboard Duotec - The toggle