Review on Fittings Hydraulic Crimping Crimper Pressing by Mark Williams

That's a great price and it works! Compression requires 10-12 clicks. I can't imagine how that works without a hydraulic pump, especially in tight spaces. Due to the thickness of the jaws, it won't work in the tightest of spaces. In these places, battery-powered models may or may not work. For a DIYer, this does the trick. Releasing one of the jaws from the finished crimp is somewhat difficult; so you have to move But the rivets are strong. I've used it on 3/4" and 1/2" Propress fittings I bought at Lowe's with no problems.