Product name The Professional Multifunction Outdoor Hook & Knife sharpener Features : 1.Ergonomic ambidextrous design 2.Safety end caps for easy grip and finger guard. 3.The triangular ceramic rod ensure superior blade edge or hook point. 4.The lanyard hole ensures easy storage. 5. Suitable for hooks and outdoor knives. Caution : 1.Be carefull when you sharpening. 2.Keeping the product dry. 3.Stoaging the hook & knife sharpener carefull ,because the ceramic material is easy broken when drop down .