✱ Anchor for fixing in hollow elements such as hollow brick, chipboard/cardboard, drywall,plaster, etc. ✱ Made of carbon steel, with zinc plated on the surface, High Zinc Layer, Rust and corrosion resistance. ✱ Versions with Pan head machine screw, "O" type head screw, "L" type head screw or "C" type head screw. ✱ Easy, fast and controlled placement. Requires placement gun. ✱ After installation the screw can be replaced with another of the same metric. ✱ Wide range of application coverage, light shelving, Plumbing and electrical installation, internal fixtures.