Cone Bur, End Type Radius, Type Double, Shank Dia. 1/4 in, Head Dia. 5/8 in, Head Length 1 5/16 in, Included Angle 14 Degrees , Overall Length 3 3/16 in, Trade Number SL-6, Primary Material Application Cast Iron, Stainless Steel, Steel, Head Shape Cone, Shank Length 1 3/4 in, Operating Speed - Maximum 25,000 RPM, Compatible Tool Type Die Grinder, Rotary Power Tool, Straight Grinder, Head Material Carbide, Head Material Grade YG7, Shank Material Steel