Carbide Bur Set Cut Type Double Head Shape Cone Cylinder Oval Round Nose Tree Head Diameter - Maximum 3/8 in Head Diameter - Minimum 1/4 in Number of Pieces 8 Primary Material Application Brass Bronze Copper Nickel Steel Titanium Zinc Trade Number SA-1 SA-3 SC-1 SC-3 SE-1 SF-1 SF-3 SL-3 End Type Flat Pointed Radius System of Measurement Inch Head Dia 1/4 in 3/8 in Coating Bright (Uncoated) Compatible Tool Type Die Grinder Rotary Power Tool Straight Grinder