The Fischer DUOPOWER 14x70 plug, available in a box of 20 pieces, is engineered for superior holding power across diverse building materials. Its innovative two-component design, featuring high-quality nylon, automatically adapts to the substrate by spreading, folding, or knotting, ensuring a secure fit. The red expansion wings enhance the spreading effect, providing additional safety. Designed for easy screw insertion without over-tightening, it includes a pre-formed edge to prevent slippage into the drill hole. Ideal for fixing light objects such as pictures, lamps, shelves, and curtain rails. Kramp part number 538244.