F. Dick Ergogrip 10" Breaking Knife by F Dick. $32.14. F. Dick - 10" Breaking Knife. These knives are made in state of the art production plants that guarantee a uniform, continuously monitored quality hardening process. Steel and plastic are firmly welded absolutely gap-free to one another. The handles are made of high-quality, resistant and foodstuffs-compatible plastic. The knives are checked on a laser angle gauge to ensure the optimum sharpening and honing angle.