Northern Industrial Cobalt-Coated Drill Bits — 145-Pc. Set

The Northern Industrial 145-pc. cobalt coated drill bit set will definitely outlast standard bits.Includes (qty.) 145 Case Included Yes Size Lettera A-Z, Numbers 1-60 (plus 30 replacement bits for 41-60), fractional sizes from 1/16in. to 1/2in. Finish Type Cobalt Additional Product Specs * Cobalt coated to outlast standard bits * Metal drill index and storage box