Maintain your knives in the field to the exact angle you set with your Lansky Sharpening Kit! Featuring the same four angles as the legendary Lansky Controlled-Angle Sharpening System, the QuadSharp™ is the perfect portable knife sharpener and kit accessory. The built-in ceramic polishing benchstone allows this pocket sharpener to be used as a fully functional, stand alone sharpening solution. The smallest, most versatile multi-angle knife sharpener available! Features: Four Sharpening Angles: 17º, 20º, 25º, and 30º Carbide slots sharpen in 3-4 strokes Ceramic benchstone for fine polishing Rugged metal construction 100% compatible with all Lansky Kits and accessories