text: It's bad enough that you have to lay down on your back and get under your sink to fix it or install new supply lines right!? Check this cool tool out. It's got all the tools needed all-in-one. This tool is slotted so that you can just fit your supply line in the handle, tighten and you are done. It's not just for supply lines. A card comes with it to show all the things that you can do with it. Thanks RIDGID.