Camillus Knives - ExtremEdge Knife and Shear Sharpener with Realtree Camo Finish ABS Corrosion-Resistant Housing. Model: CM18725. Measures 2 7/8" x 2 7/8" overall. Realtree camo finish ABS corrosion-resistant housing. Features V2 tungsten carbide knife sharpener and ceramic shear/scissor sharpener. Sharpens all types of knives and scissors. Sharpener suctions to any flat, smooth surface. Features one-handed secure suction base. Rotate clockwise to activate/deactivate suction feature. Hang packaged.