Inverted Cone Bur, End Type Flat, Type Double, Shank Dia. 1/8 in, Head Dia. 1/8 in, Head Length 3/16 in, Included Angle 10 Degrees , Overall Length 1 1/2 in, Trade Number SN-42, Primary Material Application Cast Iron, Stainless Steel, Steel, Head Shape Inverted Cone, Shank Length 1 5/16 in, Operating Speed - Maximum 70,000 RPM, Compatible Tool Type Die Grinder, Rotary Power Tool, Straight Grinder, Head Material Carbide, Head Material Grade YK15, Shank Material Carbide