4 Sided Diamond Coated Stainless Steel.
200 grit /400 grit / 600 grit / 1000 grit
If you only have room for one knife sharpener then consider the 4 Sided Diamond Coated Stainless Steel Sharpener by Top Shelf. This is a fantastic little handheld item that can be taken on the boat, fishing, camping and in the caravan. You can keep your knives sharp when you are away from home using the differing textural grits to re-profile and maintain your knife edge.