FOUR SHARPENING ANGLES: The Magnetic Angle Block has four different sharpening angles (15Adeg, 17Adeg,20Adeg, 25Adeg) to sharpen a wide variety of kitchen knives from Chef, Santoku, carving, utility, paring, steak, fillet, chopper, cleaver, and boning. THREE SHARPENING ABRASIVES: The three abrasives are a coarse 320-grit diamond, a fine 600-grit diamond, and fine ceramic, which will restore your knives to a razor-sharp edge. COMPACT SIZE: It is big enough to sharpen all kitchen knives, such as Chef, Santoku, carving, utility, scissors, and more, yet small enough to store in a kitchen drawer. 3-YEAR WARRANTY: All Work Sharp sharpeners come with a comprehensive 3-year warranty. Each knife & tool sharpener is meticulously designed and quality-checked at our Oregon facility. We proudly stand behind our products. 3-YEAR WARRANTY: All Work Sharp sharpeners come with an extensive 3-year warranty. Each sharpener is precisely designed & quality-checked at our facility in Oregon. We proudly stand behind our products & offer world-class, US-based customer service.