The Lansky 3 Stone Controlled-Angle Knife Sharpening System Case is a high-quality sharpener designed specifically for knives. Made with durable plastic materials and featuring three stones in red, blue, and green colors, this system is easy to use and maintain. The controlled-angle design ensures precise and consistent sharpening, making it suitable for hunting and outdoor enthusiasts. Proudly manufactured in the United States by Lansky, a reputable brand known for producing reliable sharpening tools.