This special edition Knife and Tool Sharpener is a result of a collaboration between Work Sharp and legendary hall-of-fame knife maker Ken Onion. This combination has resulted in a new knife and tool sharpening platform with expanded features! Expanding on the best-selling Original Knife and Tool Sharpener design, this engineering and industrial design marvel features more power, more flexibility, and more control, while still being a fast, easy, and stylish way to sharpen all your knives and tools with precision and repeatability. A variety of sharpening belts come as part of this fantastic set.