29-pc Cobalt M-35 Metal Index Drill Bit Sets, 1/16 in - 1/2 in Cut Dia.

Features: Constructed of M-35 5 percent cobalt high speed steel for super abrasive resistance in tough metals | Cobalt steel extends cutting edge life and maintains cutting life after resharpening | Extra hard drill for greater wear | 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 | Rubber overmolded case protects kit if dropped | 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