We cut a lot of hose, loom, etc. Best so far is a cable cutter that is fairly limited in what it does well. This cutter from Milwaukee is just outstanding for cutting steering return hose, fuel rubber hose, Aeroquip Socketless, and other similar stuff.
https://www.homedepot.com/p/Milwaukee-1-in-PEX-and-Tubing-Cutter-48-22-4204/314870530
https://www.homedepot.com/p/Milwaukee-1-in-PEX-and-Tubing-Cutter-48-22-4204/314870530