Irwin Unibit 3-Piece High-Speed Steel Step Drill Bit Set, #1 #2 #3 Windsor mounts on 3-7/8" or 4-3/4"

mounts on 3-7/8" or 4-3/4" hole spacings

It has been engineered with the safety behind the narrow nosepiece and a short center height to allow for nail placement in hard-to-reach areas and into tight corners

Nothing to mark

Back side features a convenient chart of ideal food temperatures

Overmold grips are durable and non-slip for maximum comfort and superior performance

Irwin Unibit 3-Piece High-Speed Steel Step Drill Bit Set, #1 #2 #3 Windsor mounts on 3-7/8" or 4-3/4"This Irwin Unibit Step Drill 3 Piece Pro Kit combines many common bit sizes. 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. Step drill bit set features straight flutes that protect thin materials. Each of the pieces has markings engraved onto the sides, which show the exact measurements for each step, and the specialized tips help