The Kramp 538240 DUOPOWER plug is a high-performance, versatile nylon wall anchor designed for secure fastening in a wide range of building materials. This 6x50 mm plug combines two material components for intelligent and powerful anchoring. The grey component made of high-quality nylon activates the optimal function (spreading, folding, knotting) for the best hold, while the red expansion wings ensure secure spreading and additional safety. Ideal for concrete, solid brick, perforated brick, aerated concrete, plasterboard, and more. Supplied in a convenient box of 100 pieces.