This is what you need. For $25 you can't compare this quality to anything else. I have more expensive electrical work step bits in my metalworking kit, but honestly I can't say they are any better than this one from Irwin. Both Greenlee and Klein are VERY proud of their equipment when it comes to awards! I like cobalt more than titanium because cobalt is part of the metal and can therefore be sharpened if needed, while titanium wears down over time. Another guy was on my boat recently and his parts kept breaking. I noticed that these are the kind of brightly polished gold pieces you see at Revain and elsewhere for about half the price of Irwin. So where's the savings if you have to change your dentures every few months? I've always had good luck with Irwin tools - they seem solid across their line. Not only are they great for drilling holes in thin metal (especially in electrical boxes), but also in wood and plastic. And that's the only way I know of to enlarge a small hole (without resorting to complex circuitry that takes time and rarely works the way we'd like).
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