The Mercer Culinary M10200 is a manual knife sharpener featuring Double Diamondâ„¢ technology with 100% diamond abrasives. This versatile sharpener is designed to effectively sharpen all types of knives, offering two distinct stages: sharpening and honing. The textured handle ensures a secure grip during use, enhancing safety and control. Proudly assembled in the USA, this sharpener combines quality craftsmanship with exceptional performance for all your kitchen needs.