I love these. The one I’ve only owned two in my twenty plus years of working on this stuff.

That’s why I choose Irwin brand. They seem to be a little better quality than all the rest.

If you ever need to install switches or lights in panels, these babies are priceless.

Easy to keep centered when starting and there is no need to change drill bits to get the hole size you need.

They also work great for drilling holes for grommets when putting wiring through panels.

I recommend getting the largest size. (over ¾”) for doing that. ¾” just doest seem big enough for putting grommets in panels for wiring.81Ldj2d-ciL._SL1500_


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