The Fischer DUOPOWER 6 x 30 NV is a high-performance two-component dowel plug designed for superior holding in a wide range of building materials. Its intelligent design features a grey nylon component that automatically activates the optimal function principle (spreading, flapping, or knotting) based on the substrate, ensuring a secure hold. The red expansion wings provide additional support and security. These 6 mm diameter, 30 mm long dowel plugs facilitate easy screw insertion without over-tightening. Item number 535973 is supplied as a pack of 100 plugs, ideal for professional and DIY applications requiring reliable fastening solutions.