Maintain your knives in the field to the exact angle you set with your Lansky Sharpening Kit! The Lansky Quad Sharp features 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!