Smedent Diamond dental burrs are appreciated by all customers because of its super quality. Each Smedent diamond bur are lathed step by step, not like most other manufacturer, burs are grinded by grinding machine. And we choose the selected nature diamond grain. Use special coating technique multi-coating the burs. And ensure our Smedent diamond burr well-centered, sharp, not easy to break and last long. End Cutting Shape 839 839 Size(1/10mm) 010 012 Length(mm) Total(mm) 21 21 SFine Fine F F Medium Coarse Super Coarse