Irwin 47406 3/8" x 17" Long Ship Auger Bit - 3/8" diameter cutter by 12" twist and have 3/8" hex shank with 17" total length. Durable hardened cutting edge for long life in tough materials, including nail-embedded wood. Fully-forged bit for maximum durability. Wide flutes for maximum chip removal and less binding. Aggressive screw-pitch for faster drilling.
From the Manufacturer
Irwin Industrial Tools 47406 3/8-Inch by 17-Inch to Tubed Long Ship Auger. For fast, rough or clean and exact holes, Irwin's extensive line of woodboring drill bits provide the user with the best available tools for each application in achieving their wood drilling needs.