Titan Titanium Drill Bit - 22 Piece features a 22 piece titanium coated high speed steel drill bit set. It has titanium nitride coating that extends the life of the bit up to six times longer. The standard high speed steel drill bits contains: 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 11/64, 3/16, 13/64, 7/32, 15/64, 1/4, 17/64, 9/32, 19/64, 5/16, 21/64, 11/32, 23/64, 3/8 inches. It ships in a plastic storage case.