Each product within the Milwaukee knockout system was built upon the principles of reducing the tedious steps of hole making, improving the speed of the process, and limiting the fatigue of the user. The EXACT 1-1/8 in. long rapid reset draw stud set delivers the fastest, easiest reset for the electrician, lineman, or fabrication worker who punches numerous holes. With a simple, quarter-turn release, the contractor can toss away slugs and set-up for the next hole in less time, with less effort. The EXACT 1-1/8 in. long rapid reset draw stud set is intended for punching 5 in. and 6 in. conduit holes, and it can also be used for punching 5 in. and 6 in. conduit holes, and it can also be used for punching 2-1/2 in. to 4 in. conduit holes. The EXACT 1-1/8 in. long rapid reset draw stud set is compatible with Milwaukee's quick connect alignment system, which delivers easy set-up without the tool. The EXACT 1-1/8 in. long rapid reset draw stud set can also be used with EXACT punches and dies, which are rated for both mild and stainless steel punching, and have bold cross hairs on the dies for clearest alignment. Together, Milwaukee's knockout system truly is the easiest way to punch! Milwaukee EXACT 1-1/8" Long Rapid Reset Draw Stud 49-16-2708