- fischer Duopower Expansion Plugs 570652, 8x40 mm, pack of 18 units for secure fixings - Suitable for solid and hollow materials: concrete, natural stone, drywall, chipboard, among others - 2-component technology allows expansion, folding, or knotting depending on the material - Strong and universal fixing for hanging bicycles, pictures, cabinets, TV mounts, shelves, and furniture - Narrow rim prevents slipping in the drill and locking system stops the plug from turning - Reduced drilling effort, quick and easy installation - Durable plastic box to keep the plugs organized and protected - Recommended for both professionals and DIY enthusiasts - Effective solution for wall and ceiling installations, supporting light and heavy objects