Kyocera Advanced Ceramic Revolution Series 3-inch Paring Knife, Red Handle, White Blade Ultra-sharp 3-inch ceramic paring knife with distinctively shaped resin handle Zirconia Z206: Kyoceras proprietary advanced ceramic- Ceramic blade ground to microscopic precision by diamond wheels for rock-like edge with excellent sharpness retention Totally impervious to acids, juices, oils, salts or other elements; will never rust Lightweight, extremely balanced in the hand; ergonomic handle reduces fatigue during repetitive cutting Hand wash only; sharpen using Kyocera electric sharpener or mail to Kyocera for sharpening