Come and Check Our Branding Solutions.With the 4-staged knife sharpener, you can sharpen blunt knives easily and professionally. Just give it a few proper pulls at each slot in one direction and your knife will come out reset to factory sharpness. The ergonomic handle brings you good cooking experience, while the bottom of the knife sharpener has non-slip base that prevent slipping during use. Pls check inventory and detailed info before placing your orders.