Tree Bur SG End Type Pointed Cut Type Single Shank Dia 1/4 in Head Dia 3/4 in Head Length 1 1/2 in Included Angle Not Applicable Overall Length 3 1/4 in Trade Number SG-15 Primary Material Application Brass Bronze Carbon Steel Cast Iron Copper Nickel Stainless Steel Titanium Zinc Head Shape Tree Shank Length 1 3/4 in Operating Speed - Maximum 20 000 RPM Coating Bright (Uncoated) Compatible Tool Type Die Grinder Rotary Power Tool Straight Grinder Head Material Carbide