Features Double sided diamond, single slot 800 fine grit, double slot 400 coarse grit, with anti-lost rope. Suitable for polishing fishing hooks, it is not necessary to change the fishing hook frequently, only by polishing it can become sharper. After sharpening, wipe the tool with a damp cloth or rinse it with water. Clean the diamond part of the sharpener with a soft brush. The product is small and easy to carry, so it is suitable for you and offers you a unique experience. Come and get it. Made of diamond, high hardness, low friction system, high thermal conductivity, the product is your best choice. Specification: Condition: 100% brand new. Item Type:Fishing Hook Sharpener Material:Diamond Color: as picture show Use: fishing hook polishing Length: approx. 102 mm / 4.02 inches. Width: approx. 11 mm / 0.43 inches. Sharpening stone length: approx. 50 mm / 1.97 inches. Package List:1 x Fishing Hook Whetstone Note: Avoid excessive force when sharpening the knife to prevent your hands from touching the knife or fishing hook. Package List 1 x Fishhook Whetstone