12372 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: -11/32" diameter, 3-7/16" flute length, 4-3/4" overall length.