Sof-Lex Contouring and Polishing Discs, Pop-On, 3/8", Coarse, Black, 85/Pk, 1981CSof Lex Discs are contouring and polishing discs that come with an extra thin profile for better access to interproximal surfaces. These discs have a combination of flexible backing with a round eyelet and low profile mandrel design that produces increased usable abrasive surfaces. The discs are color coded for easy identification of grit sequence, and disc thickness and flexibility depend on procedural needs. The pop on disc technology adds to the