29 Pc. Titanium Nitride Coated Metal Index Drill Bit Set Titanium Nitride Coating extends cutting edge life up to 6x. 135° split point tip starts on contact, cuts with less force. Reduced shank above 3/8 allows the use of larger drill bits in a 3/8 chuck. Tap & Drill selection chart for convenient reference.. Automatic indexing for easy bit access and identification. Removable cartridges: easy to carry bits from case to worksite. Sizes include 1/16 to 1/2 in 1/64 increments 3018003 Yes -