Just redid a 1/2 bath w/the flex pipe during lockdown. Needed an inch over and an inch out. Would have repiped if doing a full bath or kitchen due to clogging worries, but only hand washing goes on in 1/2 bath.
Got the last one in the store today (with an additional $200 discount because someone had crunched the back of it w/a forklift.)
https://www.lowes.com/pd/Kobalt-41-in-W-x-63-4-in-H-12-Ball-bearing-Steel-Tool-Chest-Combo-Multiple-Colors-Finishes/1000897226
I don't know if they're made in the USA, but the Eley hose splitters are built like a tank.
https://www.eleyhosereels.com/collections/watering-tools/products/garden-hose-2-way-y-valve
You wouldn't change nozzles working in the driveway. You would have the smaller one attached and it is 3 position (Hard stream and two levels of fan). It works for everything you would need it to on a driveway hose. The bigger nozzle is more of a shower setting for plants, etc.....
A...
One of my favorite gifts ever was a little toy tool set when I was 4ish. They were "real" tools, but kid sized. A little hand saw, hammer, screwdriver, metal tool box and a couple of other things. The saw cut and I used to love cutting little pieces of wood with it. And driving nails with...