fischer DuoPower Universal Wall Anchors for Fastenings in Concrete, Brick, Drywall and Wood, (100, Old, 3/16" x 1") (100, 1/4" x 1 3/16", New Version)

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