Buck Knives EdgeTek Dual Flat Pocket Stone Knife Sharpener Diamond Coated. With a 325 Coarse and 750 Medium Grit the EdgeTek Pocket Stone offers a slim lightweight and easy carry sharpener with a 100percent diamond coated flat surface. Designed for quick and easy sharpening in the field it can easily carried in a plastic sheath. Specifications for Buck Knives EdgeTek Dual Flat Pocket Stone Knife Sharpener: Manufacturer: Buck Knives Grit: 750 Fabric/Material: 100percent Diamond Coated Color: Gray Length: 4 in Width: 0.25 in Features of Buck Knives EdgeTek Dual Flat Pocket Stone Knife Sharpener Slim and lightweight Package Contents: Buck Knives EdgeTek Dual Flat Pocket Stone Knife Sharpener Protective Sheath Buck Knives 97076B/6241: EdgeTek Dual Flat Pocket Stone Knife Sharpener Diamond Coated