Equipped with a professional grade, high speed sharpening stone, the Swifty Sharp restores the razor's edge on any blade in just seconds, from knives to scissors to small hand tools, the built in guide holds the blades at the perfect angle, and a catch tray underneath collects all the metal shavings, use it on steak knives, serrated knives, hedge shears and more, this incredible motorized knife sharpener includes a safety slot for different functions and has a removable attachment for all your sharpening needs  big or small, Ideal for chef knives, carving knives, bread knives, steak knives, paring knives, filet knives, cheese knives, choppers, cleavers, scissors, precision tools and more, cordless and battery operated, requires 4 AA batteries, not included, professional grade, high-speed rotating sapphire stone shapes and hones the blade, compact design for easy storage, Safe and easy to use.