Recently one of the Corporate accountants was visiting the work site doing one of those annual inventories they do ... during one of those afternoon meetings she asked us "Good god, how many amp meters and voltage testers do you ppl need??" ... literally the meeting was over at that point when ppl just couldn't stop laughing ....
I wouldn't kick that Irwin stripper out of my toolbox. I've had the same wire stripper for almost 30 years, I think it's from Klein. At one point I thought it wasn't very good or perhaps broken. Then I read the instructions.