135 Deg. split point for non-slip starting on hard materials. Parabolic flute design for improved heat dissipation and increased life. Industrial M7 grade steel for high-performance drilling in metal, wood, and plastic. Extra hard titanium coating for maximum service life. Jobbers length. Sizes 7/16 In. and 1/2 In. have a 3/8 In. reduced shank. Size: 1/4 In. \nMaterial: Titanium \nLength: 4 In. \nShank Diameter: 1/4 In. \nDrilling Depth: 2-3/4 In. \nTip Angle: 135 Degree \n WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov -