Carbide Bur Set Cut Type Aluminum Head Shape Ball Cone Cylinder Oval Tree Head Diameter - Maximum 3/8 in Head Diameter - Minimum 1/4 in Number of Pieces 10 Primary Material Application Zinc Trade Number SA-1NF SA-3NF SB-3NF SC-1NF SC-3NF SD-1NF SD-3NF SE-3NF SF-3NF SL-3NF End Type Flat Radius System of Measurement Inch Head Dia 1/4 in 3/8 in Coating Bright (Uncoated) Head Material Carbide Head Material Grade C2 Submicron Includes Rosewood Box