Bi-material Topgripper Taco - Measurement: " 8 mm. -Plug made of multi-expansion Bimaterial suitable for all types of material, (Stone / Concrete / Solid brick / Semi-solid brick / Hollow brick / Hollow concrete block / Gypsum board / Pladur) - Thanks to the union of 2 materials and the exclusive design we obtain security for perfect installation, high load values and using one dowel for all your projects. -Anti-twist fins so that the cue does not rotate once inside the hole, both in the head and in the body. -4 expansion sectors, to adapt to all construction materials, solid, semi-solid or perforated. -Increased non-slip collar. -Perfect centering of the screw. -Box with 100 units. -Article known as universal anchoring plugs, concrete plugs, plasterboard plugs, brick plugs, cement block plugs, universal fixing plugs, wall plugs.