Fischer 555108 duopower 8 x 40 S wall plugs 

• Combination of two material components for more performance.
• Secure functions for solid (expansion) and hollow and panel building materials (folding/knotting).
• Easy installation: narrow edge of the plug prevents it from falling deeper into the drill hole.
• Best possible feedback from the anchor - you can feel that the anchor is sitting perfectly.
• With the appropriate screw for a perfect hold.

Product video