MITSUMOTO SAKARI 9 inch Diamond Sharpening Rod, Japanese Flat Honing Rod Diamond-coated Steel with Hanger Ring, Bamboo‑joint Pakkawood Handle, Hand Guard & Leather Sheath, Fast

700-Grit Diamond Coating (Hardness 72-73): Features a fine 700-mesh diamond abrasive layer with a notable hardness of 72-73. This precise grit effectively removes burrs and restores razor-sharp cutting edges without scratching the blade Robust 4Cr13MoV Steel Core (HRC 51-52): The solid rod is forged from premium 4Cr13MoV stainless steel with a Rockwell hardness of 51-52. This provides outstanding toughness, structural rigidity, and ensures the rod never bends during use Ergonomic Wood Handle & Alloy Hanging Loop: The pakkawood bamboo-joint texture provides a secure, non-slip grip. The sturdy alloy hanging loop allows for convenient hanging storage and drying, while ensuring excellent balance and a premium feel Debris-Clearing Grooves & Safety Guard: Precision grooves act as swarf channels, directing away metal filings to prevent clogging. Paired with a widened stainless steel guard, it ensures a smooth sharpening process while protecting your fingers from slips Protective Leather Sheath Included: Comes complete with a fine stitched leather carrying case and secure snap-button closure. Keeps the diamond coating safe from dust and scratches for safe, convenient storage