-Mandrel system that works by fitting, for an easy application. -Allows the use of all surface of the disc, not damaging the restoration Ultra-fine and very flexible discs. Four grits codified by colors: Coarse (burgundy), Medium (pink), Fine (light pink) e Extrafine (white) Versaplus mandrel system. -Easy, safe and not metallic core. -Box contains: -Pack of 50 Assorted Discs. -1 Mandrel. **For further product information,please contact chat support**