Durable MaterialManual Kitchen Knife Sharpener made of stainless steel, diamond abrasive and high quality ABS plastic. It's strong, durable and designed to last a lifetime. You deserve to have the best kitchen straight and serrated. professional kitchen knife sharpener promise 100% customer satisfaction . Professional 3-step kitchen knife sharpener The professional kitchen knife sharpener for kitchen has 3 steps: Fine honing slot with aerospace ceramic for polishing, sharpening and edge brightening Coarse honing slot with tungsten steel blades for sharpening old knife edges and very dull knives. pen blade . Non-slip bottom and comfortable grip The non-slip TPR base makes the kitchen knife sharpener stable and easy to hold during the sharpening process, avoid accidental injuries. Kitchen knife sharpener with ergonomic handle, both for right and left-handed people, best kitchen . . Easy to UseWhether you're right- or left-handed, the ergonomic handle allows you to restore your chef's knives in seconds Simply place the blade in each of the slots and gently pull the knife through a few times for a quick and effective sharpening. . Universal application kitchen knife sharpenerProfessional knife sharpener works on most kitchen knives: Chef's knife, Santoku knife, sushi knife, all-purpose knife, outdoor knife, fruit knife, steel knife, diamond knife, tungsten knife, steak knife, hunting knife, ceramic knife. .