Irwin Tools 10234 Unibit® 12-Hole High Speed Step Drill, 3/16" - 7/8" Clearance Designed for use on box

Designed for use on box rail with wood-frame sliding doors from 1-1/2" to 2" thick

designed for maximum durability to handle light foot traffic

Wobble extension set

Side attachment avoids animals to chew on hose

Material: Aluminum

Irwin Tools 10234 Unibit® 12-Hole High Speed Step Drill, 3/16" - 7/8" Clearance Designed for use on boxIdeal 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: 3 16" 7 8" Maximum material thickness: 1 8" Number of holes: 12 steps 3 flatted shank Shank size 3 8" Single fluted cutting edge assures true round holes & allows greater control Ideal for drilling holes