Redi-Edge Tactical Knife Sharpener 40 degree 1006898. It features a Ceramitized coating that provides additional honing surfaces. Duromite cutters deliver consistent sharpening performance in a compact handheld design. Compact dimensions make it easy to carry and store. Specifications for Redi-Edge Redi-Edge Tactical Knife Sharpener: Manufacturer: Redi-Edge Color: Black Features of Redi-Edge Redi-Edge Tactical Knife Sharpener: Lightweight military grade aluminum construction Ceramitized coating Additional honing surfaces Duromite cutters Length: 3 inches Height: 0.75 inches Package Contents: Redi-Edge Redi-Edge Tactical Knife Sharpener