On Sunday, May 27, 2018 at 9:33:52 PM UTC-5, Dean Hoffman wrote:
I need to cut some 1/2" copper and pvc water lines. This is one of
those once in
a billion year's projects. Will something like this
https://www.amazon.com/RIDGID-40617-Quarters-Tubing-Cutter/dp/B001P307PO/ref=sr_1_11?s=industrial&ie=UTF8&qid=1527474324&sr =1-11&keywords=Pipe+Cutter

do a decent job?

Oh yea, the grooves in the rollers is for clearance when you cut a flare off the end of a piece of tubing. It comes in handy in certain situations. ^_^

[8~{} Uncle Tube Monster