Kitcheniva 4-Stage Non-Slip Grip Knife SharpenerThis Professional 4 Stage Manual Knife Sharpener features tungsten steel, diamond, and ceramic sharpening stones for precise and efficient blade restoration. Designed for chefs and home cooks alike, it sharpens, polishes, and refines various knivesincluding Damascus and kitchen kniveswithout the need for electricity. Its heavy duty, non slip grip ensures stability and safety during use, while the compact design makes it easy to store or carry.