What an ingenious tool! This SINGLE tool rethreads 3-32, 8-32, and 10-24 screw holes. The three-in-one design allows one tool to rethread all the common electrical bolt sizes. I can’t tell you how many times the threads on an electrical box get buggered up. Simple slip this tools into the hole and turn. It taps the hole in a heart beat. If you work with...