Features Double Sided: Double-sided diamond, single groove 800 fine grain, double groove 400 coarse grain, can be used repeatedly, with anti-lost rope. Hard and wear-resistant, with good grinding granularity, the sharpener is easy to place and does not slip. More Savings: Suitable for fishing hook polishing, no need to change the hook frequently, just polishing can make it sharper. The rubber handle on the end of the handle is tactile to keep the sharpener from slipping. How to Use: After sharpening the tool, wipe it with a damp cloth or rinse with water, and clean the diamond part of the sharpener with a soft brush. Hold the curve of the hook on the right side of the hook and slide the tip of the hook toward you at a shallow angle while holding the file in your left hand. Rotate the hook 120 degrees to get the triangle point. Portable and Compact: The product is small and portable, suitable for you, giving you a different experience, come and get it. Small enough to fit in a pocket, but big enough to get the job done. Function: Made of diamond, high hardness, low friction system, high thermal conductivity, this product is your best choice. Quickly sharpen hooks. This is a very good hook sharpener for larger size hooks and clamps. Specification: NewItem Type: Fishing Hook Sharpener Material: Diamond Color: As Pictures Shown Use: Fish Hook Polishing Length: Approx. 102mm/4.02in Width: Approx. 11mm/0.43in Sharpening Stone Length: Approx. 50mm/1.97in Package List: 1 x Fishhook Whetstone Note: Avoid excessive force when sharpening the knife to prevent your hands from touching the knife or fish hook. Package List 1 x Fishhook Whetstone