Irwin - Unibit Assorted L High Speed Steel Step Drill Bit Set 3 pc

This IRWIN Unibit Step Drill 3-Pc Pro Kit combines many common bit sizes, so you don't have to switch accessories every time you need a larger hole. Its pieces are made of high-speed steel (HSS) which withstands heavy usage without any loss of control, and all of them have starter tips to eliminate center punches.