The BladeForums.com 2024 Traditional Knife is available! Price is $250 ea (shipped within CONUS).
Order here: https://www.bladeforums.com/help/2024-traditional/
ultra-sonic cleaner work??
The alumina rods can usually be cleaned with detergent and water. It won't get all the metal out but will usually get the lion's share. If you have been sharpening cheap stainless knives you may have to work at it. Also try wiping them down with WD-40.
Jim A.