Winco KSP-4 9-7/8 Inch Knife Sharpener 4-stage Manual Ceramic and DiamondWhen you need to sharpen standard or Asian style knives, look no further than this one tool for the job. Designed for the commercial kitchen, the wide, rubberized base provides stability for any busy chef to sharpen their favorite knife. For either standard or Asian style knives; coarse stages quickly sharpen dull knives, while fine stages hone to a razor sharp edge Reduced wobbling the safest sharpener with oversized non slip base Most ergonomic