For finishing the floor to the stairs. Associated mounting material is packaged with the profile. For use indoors. Assembly is done with screws and plugs in your base floor. Drill a hole in the (concrete) floor with a 6mm (stone) drill. The width of the profile is 24mm. The height of the nose is 20mm. The profile is made of metal with a bronze-look finish. Removable with a damp cloth and non-aggressive cleaning agent.