Quote Originally Posted by hemmjo View Post
Has anyone used one of those? Would that last very long cutting 28 ga steel pole barn siding and roofing? Would it handle cutting across the ridges in the sheets?

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For the most part they like to be used on flat panels don't do especially well on corrugations. I've not used the drill powered model like the one shown, I have a pneumatic one. The one I have is more of a center shear than a nibbler. The long guide foot makes it difficult to work with corrugations. A true nibbler gnaws its way through materials by slicing off tiny fingernail trimmings with a small contact footprint, and a messy amount of ejected sharp swarth to clean up, this one may be like those for all I know