it should be even better for soft steel

contains significant proportion of Fe-oxides and hydroxides

allow wide range adjustment of the clamp to any shape of the blade and ensure the symmetry of the installation

Available only in fine grits

chosera stone set it should be even betterChosera sharpening stones are used for sharpening knives on Hapstone and Edge Pro knife sharpeners. Chosera is a high end series from Naniwa made of aluminum oxide with the magnesia binder. The magnesia binder gives Chosera excellent sharpening quality and performance, and high wear resistance. We offer two Chosera sets: The recommended set consisting of 4 Chosera stones (from 400 to 10K grit) plus complimentary silicon carbide 120 grit, and The full