Features and Benefits:�50X Life in Nail Embedded Wood & Abrasive Material Applications�5X Faster Cuts�Cuts 1000+ More Nails�Designed for use with BIG HAWG™ with Carbide Teeth hole sawsThe Big Hawg® diamond file is used to compliment the Milwaukee Big Hawg® hole cutter. The innovative three tooth design allows you to drill up to 600 holes without resharpening. The deep gullets and reduced pilot bit shank deliver easy plug removal saving you time and money. The Milwaukee Big Hawg's hardened steel teeth provide maximum durability against unintended nail impacts.