I used to use a Dremel with a carbide wheel, but the crimp buster is invaluable. I haven't seen the one in the first picture - does it remove the PEX from the fitting too, like the Rex-Wheeler and others like it does?
It just cuts the crimp. I apply a little heat to pull the pex off then trim that piece off. Sometimes I end up having to restart for another point where I have slack, but that just teaches me to be more careful.
I have both of the ones that 22 posted and usp posted. 22's is better because it can be used on copper pex fittings where the other ones will bend the copper fitting. also usp's needs a sharp blade and the blade breaks all the time.
I keep a pair in the back of the van... it is faster to cut and go and trim the rings later. Or that spontaneous change of plans... it works great. Very nice to have around and a much better option than a hack saw and a busted knuckle. E-bay shows quite a few different models in a wide price range... Ours have paid for themselves several times. :thumbsup:
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