Highest load transfer & intelligent function: The DuoPower is the first plug that adjusts itself automatically to the respective substrate, transfers the highest loads through the three product functions of folding, expanding and knotting and thus enables a wide range of applications in solid, perforated and panel building materials. The supplied screws are perfectly machted to the plugs All-in-one solution for all building materials: Used with screws Ø 4.5 - 6 mm, the intelligent 2-component plug ensures top load values – the grey component automatically activates the optimal operating principle depending on the respective building material, while the expansion wings of the red component support safe spreading Absolutely powerful: When installing the plug, the narrow plug rim stops it from slipping into the borehole while the anti-rotation feature prevents rotation into the drillhole, and the feel-good factor exactly indicates when the plug is installed perfectly Areas of application: The powerful plug is suitable for attaching light wall shelves, mirror cabinets, curtain rails, hanging baskets, electronic devices or wall clocks in various building materials such as concrete, lightweight concrete, solid and perforated bricks, natural stone, solid sand-lime bricks and perforated sand-lime bricks Scope of delivery: 50 x DuoPower 8 x 65 by fischer, item no. 538251, Weight: 0.36155810968 Pounds, Manufacturer: FISCHER