The fischer DUOPOWER 8x40 plug is a versatile and powerful 2-component plug that automatically adapts to the substrate for a reliable and secure fastening in various building materials. Ideal for versatile applications where high demands are placed on fastening strength. Special features: DUOPOWER technology: The plug automatically selects the best mode of operation depending on the substrate (spreading, folding, or knotting). 2-component design: The 'soft' red part ensures a secure grip in solid materials, while the 'hard' grey part provides the folding function in cavities and enables knotting in panel materials. Thin collar: Prevents the plug from disappearing into the drill hole when used in hollow walls, while through-fixing remains possible. Closed tip: Prevents drill dust from entering the plug, allowing the screw to be easily screwed in. Suitable for various screws: Wood screws, chipboard screws, and hanger bolts can be used. Excellent feedback: It is clearly felt when the screw is properly tightened. Technical specifications: Drill diameter: 8 mm Box contents: 2500 pieces Plug length: 40 mm (min. anchorage depth) Suitable for chipboard screws from 4.5 - 6.0 mm Min. drill hole depth: 50 mm Standard delivery: 2500 pieces fischer DUOPOWER 8x40 plugs