High precision ultra fine grit sharpening & honing tool. Not just for Japanese knives also works great on European knives, too. Excellent for metal-based knives, scissors and other cutting tools. Especially useful on knives that are made of harder steel. Dual use for both sharpening & honing. Rust-proof & non-corrosive. Ideal for use with high quality knives (Global,Wusthof ,Henckels ,Kasumi & Porsche). Built-in loop (eylet) on end of handle for hanging and safe storage. Perfect for left & right handed users (Ambidextrous) . Lightweight, easy to use and easy to clean. Handle material : Polypropylene resin. Approx ceramic rod (shaft) length : 9" (23cm) / Approx ceramic sharpener length including handle : 13¾" (35cm) / dishwasher-safe. (recommended) / Five year manufacturers guarantee / DO NOT USE on ceramic blade knives or scissors.