Made with the highest quality Japanese Ceramic, Satori’s Black Ceramic Honing Steel is the Ultimate Knife Sharpening Rod! Satori Ceramic Honing Steels go through an additional hardening stage, called the Hot-Isostatic Press (HIP) process, increasing it’s density. This denser material enhances the rods ability to hone and sharpen even the hardest Stainless Steel Knives without shaving off …