I have the red doughnut one as well. I love it, makes stripping a whole lot easier once you get the hang of adjusting it. Can easliy do a few hundred feet in an hour. I got these to cut off the first 2-3 inches and it works great.



Irwin Industrial Tools 2078300 8-Inch Self-Adjusting Wire Stripper with ProTouch Grips - Amazon.com