100 Fischer Duopower wall plugs 6 x 30 Loose in resealable bag Areas of application: the powerful dowel is suitable for attaching shower curtain rods, letterboxes, lights, motion sensors, signs and house numbers in numerous building materials such as concrete, solid and perforated bricks, natural stone, solid lime sand and perforated stone, plasterboard, plaster construction and fibreboard, hollow ceilings and chipboard. Secure functions for solid (expansion) and hollow and panel building materials (folding/knotting). With the appropriate screw for a ideal hold Easy installation: narrow edge of the plug prevents it from falling deeper into the drill hole