Maintain your knives in the field to the exact angle you set with this multi-functional 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!