Rugged metal construction Carbide slots sharpen in 3-4 strokes Ceramic benchstone for fine polishing 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!table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }