- A latch-attachment, pop-on mandrel for use with Sof-Lex Contouring and Polishing Discs and SofLex Extra-Thin Contouring and Polishing Discs. - Refill includes three RA mandrels.Benefits: Low-profile mandrel design reduces risk of marring the restoration for easier use and improved results. - 3 Pcs. **For further product information, please contact Chat Support**