- fischer Duopower 570654 Expansion Anchors 5x25 mm with screw, pack of 18 units - Intelligent 2-component system that adapts to any construction material - Secure and strong fastening in concrete, natural stone, drywall, chipboard, and more - Expansion, folding, or automatic knotting depending on the type of base for maximum versatility - Narrow rim prevents slipping in the drill and anti-rotation system - Ideal for hanging bicycles, pictures, cabinets, TV mounts, shelves, and furniture - Allow wall and ceiling mounting of light and heavy objects - Recommended for both professionals and DIY enthusiasts - Sturdy plastic box for safe storage and transport of the anchors