Smith's 3 In 1 Field Sharpener is compact and lightweight. The 3-in-1 is perfect to keep in your pack for in-the-field sharpening tasks. A pull through carbide notch quickly sets the knife edge bevel and restores dull blades. The 4 inch ceramic rods, stored in the sharpener base, provide a super polish and razor-sharp edge. The fine 4 x 1 inch (750 grit) diamond stone can be used to hone knives, tools and fishhooks. Handle slides closed. Dimensions: 7 inches long x 1.5 inches wide and 1 inch deep. Weighes 7 ounces.