The AccuSharpA(R) Precision Sharpening Kit allows you to manually sharpen your knives at a consistent, exact, fixed angle. This kit provides precision sharpening designed to maintain accurate results for your knife&';s specific edge. The AccuSharpA(R) 3-Stone Kit is equipped with six angle guides and three sharpening options to keep your knife&';s edge razor sharp with fine, medium, and coarse alumina-oxide stones. Angle guide has settings for 11Adeg, 15Adeg, 18Adeg, 21Adeg, 25Adeg, and 30Adeg angles. If exact and exemplary edges are important to you, then you need the 3-Stone Precision Knife Sharpening Kit from AccuSharpA(R). Features: Course, Medium, and Fine Alumina-Oxide Stones (3-Stone) Fine Ceramic Stone for Serrated Blades Angle Guide Settings for Six Precise Angles (11, 15, 18, 21, 25, 30 ) Includes C-Clap and Pedestal Includes Cargo Carrying Case