•Nylon dowel with edge, diameter 12mm, length 45mm • Ideal for many applications on various types of materials: it is suitable for concrete, natural stone, solid brick, perforated brick, concrete perforated block, aerated concrete, plasterboard and panels/slabs. •Features an internal profile that allows optimal insertion of the screw. •It is equipped with anti-rotation lugs, which prevent it from rotating around its axis, and longitudinal openings, which allow effective expansion and ensure high extraction values on any type of material. •With anti-penetration rim (collar).