IEY1674 Features: * Titanium coated for 6 times longer life than standard high speed steel drill bits * For repetitive drilling in steel, alloy steels, wood, and plastic * Ideal for contractors, serious do-it-yourselfers, machine shops, and mechanics * 135 split point starts fast and prevents drill walking * Carded Dimensions: * Reduce shank for drilling larger holes with 3/8"" drills * 1/2"" diameter, 4-1/2"" flute length, 6"" overall length