Carbide Bur Set Cut Type Double Cut Head Shape Ball Cone Cylinder Flame Inverted Cone Oval Tree Round Nose Tree Head Diameter - Maximum 1/4 in Head Diameter - Minimum 1/4 in Number of Pieces 12 Primary Material Application Brass Bronze Copper Nickel Titanium Zinc Trade Number SA-1 SC-1 SD-1 SE-1 SF-1 SG-1 SH-1 SJ-1 SK-1 SL-1 SM-1 SN-1 End Type Flat Pointed Radius System of Measurement Inch Head Dia 1/4 in Coating Bright (Uncoated)