- fischer Duopower 570673 Expansion Plugs 14x70mm with screw, pack of 2 units - Intelligent 2-component system that ensures secure fastening in solid and hollow materials - Automatic adaptation: the plug decides whether to expand, fold, or knot depending on the material - Narrow edges and anti-rotation lock to prevent slipping and turning during installation - Easy to install, reduce drilling effort, and offer high load values - Versatile: ideal for hanging bicycles, pictures, cabinets, TV mounts, shelves, and furniture - Compatible with natural stone, concrete, drywall, chipboard, and other construction materials - Recommended for both professionals and DIY enthusiasts