Quality drill bits for repetitive drilling in steel, wood, plastic, as well as other materials. Ideal for machine shops, contractors, mechanics, and do-it-yourselfers. This handy kit includes a case with the following titanium drill bit sizes: 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 1/4", 15/64", 7/32", 13/64", 3/16", 11/64"