Carbide Bur Set Cut Type Double Head Shape Ball Cone Cylinder Flame Inverted Cone Oval Tree Head Diameter - Maximum 1/4 in Head Diameter - Minimum 3/16 in Number of Pieces 12 Primary Material Application Brass Bronze Carbon Steel Cast Iron Copper Nickel Stainless Steel Steel Titanium Trade Number SA-1 SA-14 SC-1 SC-14 SD-1 SE-1 SF-1 SG-1 SH-1 SJ-1 SL-1 SN-1 End Type Flat Pointed Radius System of Measurement Inch Head Dia 3/16 in 1/4 in