This is the perfect indoor/outdoor combo! One sharpener for your kitchen knives and one for your outdoor pocket knives!AnySharp knife Sharpeners rejuvenate knives safely and hands-free. A few light strokes, and in seconds, the knife is sharp as new. The patented Power Grip suction cup base keeps the sharpener in place and the advanced diamond-honed Tungsten Carbide blades easily sharpen almost any knife. Professional-grade knife sharpening that helps make cooking easy and safe!Features:Silver colorRestores virtually any knife (straight or serrated; hardened steel blades)Keeps hands safeEasy to use, sharpens in secondsPatented Power Grip suction cup base, enabling single-handed useTungsten Carbide Blades (stronger than steel)