IRWIN 29-Pack Assorted Black and Gold Coated HSS Right Handed Twist Drill Bit Set

Oxide treatment resists corrosion, helps prevent bit from rusting. Flatted shanks above 11/64-in eliminates slippage in drill chuck. Reduced shank above 3/8-in allows the use of larger drill bits in a 3/8-in chuck. Rubber overmolded case protects kit if dropped. Tap and 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-in to 1/2-in in 1/64-in increments.