Carbide Bur Set Cut Type Double Head Shape Cylinder Head Diameter - Maximum 5/8 in Head Diameter - Minimum 1/8 in Number of Pieces 6 Primary Material Application Brass Bronze Cast Iron Copper Nickel Stainless Steel Steel Titanium Trade Number SA-1CR SA-2CR SA-3CR SA-43CR SA-5CR SA-6CR End Type Corner Radius System of Measurement Inch Metric Head Dia 1/8 in 1/4 in 5/16 in 3/8 in 1/2 in 5/8 in Coating Bright (Uncoated) Head Length 9/16 in 3/4 in 1 in