I use DMT brand diamond stones for most sharpening. I keep one of their blue 1”x4” stones in my office desk drawer to refresh a working edge on my EDC knife. I also have a set of 4 of their 2”x6” stones. I like them very well and have had most of them for many many years. I also made a leather stropping block I use from time to time. One of my coworkers uses a 1” belt sander he loves it. He even gave me one of the belt sanders about a year ago, idk if I’ve even plugged it in. I don’t doubt it works stones are just more my speed.