Carbide Bur Set Cut Type Single Head Shape Ball Cone Cylinder Oval Tree Head Diameter - Maximum 3/8 in Head Diameter - Minimum 1/4 in Number of Pieces 9 Primary Material Application Brass Bronze Carbon Steel Cast Iron Copper Nickel Stainless Steel Steel Titanium Trade Number SB-3 SC-3 SD-3 SE-3 SF-3 SG-3 SK-3 SL-3 SM-3 End Type Pointed Radius System of Measurement Inch Head Dia 1/4 in 3/8 in Coating Bright (Uncoated) Head Material Carbide