Smiths Sharpeners 4oz. Premium Honing Solution, Metallic/Black is a part of the high quality and dependable Knife Accessories from Smiths Sharpeners. All of the features you need for a price you want. Knife Accessories from Smiths Sharpeners are well known for their quality and Smiths Sharpeners 4oz. Premium Honing Solution, Metallic/Black upholds that standard.