Known as the â€aWorld’s Best Knife Sharpener,â€� AnySharp Pro CHEF Knife Sharpener rejuvenates 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! The Pro CHEF features metal alloy construction and a stunning plated finish, so you can proudly display it on your kitchen counter.  Features Professional-grade results Restores virtually any knife (straight, serrated, & hardened steel blades) Keeps hands safe Easy to use, sharpens in seconds Patented Power Grip suction cup base, enabling single-handed use Tungsten Carbide Blades (stronger than steel) Needs only 3-4 gentle draws, no skill required, Pre-set at 20-degrees (optimal angle for steel blades) Small and lightweight, compact for easy storage 1-year no-hassle warranty Measurements -  2.5â€�L x 2.69â€�W x 2.5â€�H; Weight - Â.36lb Durable metal alloy construction with stunning plated finish Pro CHEF, Pro, and Editions all use the same patented sharpening technology. The difference is in the construction and the finish. The Pro CHEF and Pro are constructed with durable metal alloy; The Editions are constructed with plastic. Of the three, the Pro CHEF is the only one with the stunning plated finish.  (See link to comparison chart above)Â