980 Portable Countertop Knife Sharpener. Whether you want to add new life to your old knives, or keep your new ones honed, this easy-to-use sharpener is your answer! Features: -Countertop knife sharpener. -Compact industrial design. -Suction cup adheres to any flat surface. -Tiny enough to store anywhere when not in use. -Dimensions: 0.1" H x 4.6" W x 5.2" D.