- Flexible polishing discs with aluminum oxide coating. - Discs can be easily changed due to the patented Pop-On™ Mandrel System. Indications: - 3M™ ESPE™ Sof-Lex™ Finishing and Polishing Discs and Finishing Strips for polishing of composite, compomer, metal and ceramic. - Sof-Lex polishing discs for facial and lingual margins of anterior and posterior restorations. - Diameter Ø: 9.5 mm. - Extra Thin. **For further product information , please contact Chat Support**