Greenlee 713 Manual Plumbers Stud Punch Punches 2-5/8-Inch (66.7 mm) Diameter hole in metal studs for professional-looking installation of 2-Inch water, vent, waste pipes Two-speed lever action for fast, easy punching of 24 to 20 gauge thick metal studs 2-1/8-Inch (54 mm) throat width fits over most studs and channels High strength alloy aluminum c-frame and handle provides lightweight tool for easy handling 10.6 pounds Lever action punch retraction strips punch out of metal stud fast and easy