Self starting bit quickly drills multiple size holes in thin metal, plastic or wood without having to change from bit to bit.

Set includes 3 different sizes of Unibit step drills in a vinyl pouch.

#1 Unibit: 13 hole sizes 1/8"-1/2" in 1/32" increments for 1/8" thick material.

#2 Unibit: 9 hole sizes 1/4"-3/4" in 1/16" increments for 1/8" thick material.

#3 Unibit: 6 hole sizes 3/16"-1/2" in 1/16" increments for 3/8" thick material.