Yorco presents an exquisite range of knife sharpener, knife sharpening stones and wet stone to maintain the edges of your knives, allowing them to work perfectly when you require them to know how to sharpen a knife at the house. Yorco collection of knife sharpeners are as follows: Arthuir Thomas Type, A.O. Spencer Type, and Micro Abrasive. This collection is well suited for professionals involved in work with heavy machinery or knives in particular. Knives are made of coarse and fine ceramic stones set at the perfect grinding angle to give any worn blade the edge. These sharpening tools are easy to carry and handle, These tools only used by doctors who know how to operate or well-trained persons with the right precautions. Yorco offers you a perfect place for a knife collector as you will find permanent remedies to maintain the edges of your blades.