Klein Tools 89552 Hole Cutter, Adjustable Cutter from 2 to 12 Inch, Cuts 24 gauge Steel and 26 gauge Stainless

Very good solution but the bit provided is too short...

So helpful in making big duct holes. So helpful on my job as a duct cleaner. I broke the first bit at first use, but has been using the second that came with the package for almost 6 months now.

I was skeptical......but it worked flawlessly......excellent tool!

Worked great to make circle cuts in ductwork.

What a cool tool! Cuts perfect circles in tin for covering up abandoned plumbing cans in parkade. When using the tool don’t force it or the bit will break. Just let the tool do it job and you’ll be happy with this purchase

Works pretty well. Buy a spare drill to him with it so you don't run stuck if the included one breaks (like mind did). My fault though. I was pushing the limits of the thickenss of the metal.