Carbide Bur Set, Cut Type Single, Head Shape Ball, Cone, Cylinder, Oval, Round Nose Tree, Tree, Head Diameter - Maximum 1/4 in, Head Diameter - Minimum 1/4 in, Number of Pieces 8, Primary Material Application Brass, Bronze, Cast Iron, Zinc, Trade Number SA-1, SC-1, SD-1, SE-1, SF-1, SG-1, SL-1, SM-2, End Type Flat, Pointed, Radius, System of Measurement Inch, Head Dia. 1/4 in, Coating Bright (Uncoated), Head Material Carbide, Includes Plain Case, Operating Speed - Maximum 70,000 RPM