This incredible cordless, motorized blade sharpener give you precision sharpening for all your knives and tools. It has a professional-grade sapphire stone, which will hone it at the perfect angle and will make any blade razor sharp in just seconds. The Swifty Sharp offers precision power sharpening at a fraction of the price - and it's cordless, making your sharpening as convenient as ever.Swifty Knife Sharpener will bring all old, dull knives, scissors, hand tools and garden tools back to life by restoring like-new sharpness quickly and easily! Using the Swifty Sharp is easy as can be. Simply place the blade in the guide and slide - that's it! The guide is specifically designed to hold the blade at the perfect angle as the high-speed Sapphire Sharpening Stone rotates to sharpen and hone the blade restoring the razor sharp edge in just seconds. Plus, the Swifty Sharp even features a built-in catch tray to grab the shavings that fall away so you aren't left with a mess. It works great on all types of knives and blades