Klein Tools 53728SEN Punch Set, Optimized Design 10-Guage Mild Steel Knockout Punch Set with Black Finish, 1/2-Inch

Punch Set optimized design reduces wrench effort, Slugs are split inside for easy removal, Maximum capacity of 10 gauge mild steel, Also cuts aluminum, fiberglass and plastic, Punches holes cleanly and accurately, Set includes 1/2-Inch (13 mm) punch and die with 3/8-Inch (9.5 mm) draw stud