The Edge-On-Up PT50A is the flagship sharpness tester in the Edge-On-Up lineup. Wondering if your kitchen knives require sharpening? Interested in assessing your extensive knife collection? Or eager to...
The Edge-On-Up PT50B is a must-have for sharpening enthusiasts, knife collectors and sharpness freaks. Want to know if your kitchen knives need to be sharpened? Want to learn more about the...
