Buck Knives 97042 EdgeTek Fishing FlipStick Diamond Dual Grit Knife Sharpener Life time Warranty Built with precision and quality Variety of outdoor uses 100% diamond coated sharpening surface dual sides with medium 750 and coarse 325 grit. Textured Polypropylene handle with locking system; handle doubles as sheath Oval sharpening steel to accommodate various edge geometries Ultralight weight 1.6 oz. Overall Length: 9 inches Closed Length: 5 inches Comes with Buck's Forever Warranty and is Made in the U.S.A.