Sof-Lex XT - Extra Thin F&P Discs - Medium 3/8", Pop-On, Polyester Film, Orange, Package of 85. #2381M Ultra-thin construction for better interproximal surface access. Used to simplify finishing and polishing procedures. Color-coded design allows for easy identification. With unique pop-on disc technology. Sof-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 easy-to-use system, resulting in superior luster restorations with natural esthetics.Color-coded: Superfine (Yellow); Fine (Light Orange); Medium (Medium Orange); Coarse (Dark Orange)