Irwin Tools 10233 Unibit® 9-Hole High Speed Step Drill, 1/4" - 3/4" BF20 For use on 1-1/2" or

For use on 1-1/2" or 3-1/2" thick door frames

Durable plastic construction

Easy to store

Spacious platform for plenty of foot space

Irwin Tools 10233 Unibit® 9-Hole High Speed Step Drill, 1/4" - 3/4" BF20 For use on 1-1/2" orIdeal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates. Features 3 flatted shank, shank size 3 8". Single fluted cutting edge assures true round holes & allows greater control. Hole sizes: 1 4" 3 4" Maximum material thickness: 1 8" Number of holes: 9 steps 3 flatted shank Shank size 3 8" Single fluted cutting edge assures true round holes & allows greater control Ideal for drilling holes