1/4in. hex shank 3 bit set replaces 17 individual drill bits

Titanium nitride coated high speed steel

For use with metal, wood and plastic

Starts on contact, no center punch needed

Automatically deburrs holes as you drill

6 step: 3/16, 1/4, 5/16, 3/8, 7/16, 1/2in.

9 step: 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4in.

13 step: 1/8, 5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 13/32, 7/16, 15/32, 1/2in.