- Thermacut Burs are a simple FG stainless steel blunt bur used to create frictional heat to separate the thermfil carrier from its handle. - This assortment includes: - 1 x Size 10 Bur. - 2 x Size 12 burs. - 2 x Size 14 burs. - 1 x Size 16 bur. **For further product information, please contact Chat Support**