... an extremely homogenous,safe and lasting diamond coating of the instruments diamond dental grinding head :SpecificationsFG Diamond dental burr Stainless steel body 5pcs ... supply OEM service. Shapes:Flame(FO:299,257); Round (BR: 001,002);Cylinder (SF:111,109); Round head cone(TR: 197 ... ,171);Round head inverted cone(EX: 141,237,234,220) Diamond dental burrs, diamond rotary instrument