- For use with 3M Sof-Lex Pop-On Discs. - An attachment Pop-On mandrel for use with 3M ESPE Sof-Lex contouring and polishing discs and 3M ESPE Sof-Lex XT contouring and polishing discs. - Made of stainless steel. - Precision engineered to ensure firm grip to disc. **For further product information, please contact Chat Support**