Shun Edo EDM0750 9-Inch Honing Steel 9-Inch Edo Honing Steel by Shun; used to hone blade edges; perfect companion to your Shun Edo Knives Durable, stain-resistant steel construction; protective guard keeps fingers safe Rust-free gradually diminishing circular rod with miniscule lengthwise ridges Resin-impregnated Pakkawood handles provide added strength and moisture protection