One of our most-used tools is the Apollo Hand PEX Pinch Clamp Tool. We have found that this tool is super handy for all sizes of residential plumbing jobs; from installing a shower system to re-plumbing a house.
This tool uses pinch collars to connect PEX piping to fittings for a solid connection every time. The tool is large enough to create leverage, making crimping the collars easy, but small enough to fit in most spaces. It even has a indication light when the crimp collar is properly fitted so you know the connection is complete. It is a great tool to have in your tool box if you ever need to do any sort of plumbing.