Titanium coating reduces friction and increases drilling speeds in metal. Split point penetrates on contact preventing walking of the drill bit (7/64" and larger).The Stanley Titanium Drill Hex Shank Drill Bit Set contains the following sizes: 2 x 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 11/64", 3/16", 13/64", 7/32", 15/64", and 1/4" drill bits. A total of 14 drill bits.