The EdgeTek Ultra Steel 10" sharpener offers an easy carry sharpener with a 100% diamond coated three-sided surface and oval contour for sharpening a wide variety of blade edges. It is lightweight and perfect for storage in a kitchen drawer or toolbox. It is designed to handle a variety of blade geometries and provides the right grit for any task. Made in the USA. Tri-Grit: 325 Coarse, 750 Medium and 1200 Fine. Weight: 6.9 oz. (195.6 g).