- Burs Holder 24 Pcs - Suitable For RA/CA,FG - 24 Holes With Silicone - Fully autoclavable metal, Aluminum material - Dental Bur Block with Cover 24 Holes - The special lids of the bur blocks protect the instruments against damage and prevent them from falling out of the tray. - A handy support in your dental office. **For further product information , please contact Chat support**