Here is a link to a good tool (huge compression head) vs. the stuff Home Depot sells
https://www.yescomusa.com/collectio...-pe-crimp-tool-ring-crimper-w-gauge-blueI have a 3/4” and a 1/2” tool ...
You’ll also need a ring splitter (to remove a screw up compression ring after you put it on) and a cutter (anything works there) for the plex.
Here is a compression ring removal tool
https://www.crimpingtools.com/produ...3-4-inch-1-inch-f1807-copper-crimp-ringsThe homedepot ones work fine.