Proclassic R is a line of threshold profiles that hide any cutting or installation imperfections in floor sections of different materials. The convex surface of these profiles helps to offset any 3/32" to 1/8" (2 to 3 mm) differences in height between two types of flooring. Moreover, the profiles are especially easy to install, with either adhesive or screws. The stainless-steel version is ideal for commercial applications due to the resistance of the material.