Chef'sChoice 500 ScissorPro Diamond Hone Professional Electric Scissor Sharpener with Precision Guides and Diamond Abrasive Sharpens Household Sewing Kitchen Craft Scissors Made in USA, 2-Stage, White Professional 2-step process sharpens scissors without requiring disassembly Diamond abrasives on conical disc sharpen and hone blades quickly and easily Patented Magna-Flex technology combines magnets and springs to control angle, apply correct pressure and stabilization Fine disc develops incredibly sharp edge; coarse disc reconditions damaged edges Works on household, sewing, fly-tying scissors; kitchen shears