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.