Roller Knife Sharpener – Fast, Precise, LongLasting • Quick and effortless sharpening: Revive dull blades in minutes with simple backandforth rolling motion. No prior sharpening experience required. Ideal for both home cooks and professional chefs who want reliable performance without the hassle. • Maintains knife performance and lifespan: Quality kitchen knives are an investment. This sharpener restores and preserves factorylevel sharpness, helping your knives stay in condition for years, reducing replacement costs and downtime. • dualdisc system: Equipped with #400 industrial diamond disc and #3000 ceramic disc. The diamond abrasive safely removes the worn edge layer, while the ceramic disc polishes to a fine, precise cutting surface. Both materials are durable and deliver consistent results. • Multiangle magnetic support: Builtin guides maintain a constant grinding angle for accurate sharpening. Choose 20 degrees for most household kitchen knives, or 15 degrees for ultrafine cutting and higher precision tasks. Not suitable for serrated knives or scissors. • Compatible with a wide range of blades: Works on chef's knives, utility knives, carving knives, paring knives, and other straightedged kitchen tools. • Compact and easy to store: Lightweight, spacesaving design fits neatly in kitchen drawers or tool storage areas. Example use scenarios: 1. Restore a chef's knife after heavy chopping of vegetables and meats for improved cutting efficiency. 2. Maintain a carving knife for smooth, precise slicing during holidays or special events. 3. Keep a utility knife ready for quick, clean cuts on fruits, bread, or meal prep ingredients. Built for everyday use, the Roller Knife Sharpener combines durable materials, practical design, and professionalgrade performance to help you keep your kitchen tools in peak condition.