Buck Knives EdgeTek Ultra FlipStik Pro Diamond Knife Sharpener 9in Length. Tri-Grit: 325 Coarse 750 Medium 1200 Fine. The Buck Knives EdgeTek Ultra FlipStik offers an easy carry three sided sharpener with a 100percent diamond coated surface and oval contour for sharpening a wide variety of blade edges. It is lightweight and compact with a handle that also doubles as a carrying case. For those on-the-go who may need a touch up after lots of field work don't be caught without a Buck Knives FlipStik Diamond Sharpener. Specifications for Buck Knives EdgeTek Ultra FlipStik Pro Diamond Knife Sharpener: Manufacturer: Buck Knives Grit: 750 Fabric/Material: 100percent Diamond Coated Color: Black Length: 4 in Width: 0.5 in Blade Length: 9.13 in Sheath Material: Composition Closed Length: 5 in Features of Buck Knives EdgeTek Ultra FlipStik Pro Diamond Knife Sharpener Ultra lightweight and compact Textured Polypropylene handle with locking system Handle also doubles as a carrying case Package Contents: Buck Knives EdgeTek Ultra FlipStik Pro Diamond Knife Sharpener Buck Knives 97044B/4976: EdgeTek Ultra FlipStik Pro Diamond Knife Sharpener 9in Length