The Diamond Round Bur 801-021 features a large 2.1 mm spherical diamond head built for rapid material removal and aggressive cavity preparation. Its generous round profile covers more area per pass, making it ideal for bulk reduction, large caries excavation, and efficient access openings. Key Features Shape: 801 Round — large spherical head for fast, efficient cutting Diameter: 2.1 mm Material: Premium diamond grit on a stainless steel shank Shank: FG (Friction Grip) — fits all standard high-speed handpieces Grit Options: Available in Coarse Common Applications Large cavity preparation and bulk material removal Aggressive caries excavation Wide access openings Initial crown preparation Why Choose Koyo Dental? Reliable cutting performance at factory-direct prices. All orders ship same-day from our Irvine, CA warehouse.