1. Product Features Material: Made of diamond and ceramic, diamond has high hardness and can effectively sharpen ice skates; ceramic ensures the durability and stability of the sharpener, which helps to improve the sharpening effect. Portable design: The overall size is 160x28x15mm, and the weight is only 140g, which is compact and light. It is also equipped with a storage box with a size of 165x40x30mm, which is convenient for carrying and storage. After use, it can be placed in the storage box to keep it dry and prevent damage to the sharpener. In addition, it has a metal hanging ring, which is convenient for hanging in backpacks and other places, so that it can be used at any time. Targeted application: It is specially suitable for ice skate edge grinding, which can help keep the edge of the ice skate sharp and smooth, and improve the performance and safety when skating. 2. Usage method Holding method: Hold the sharpener in the right hand (refer to the holding method in the picture). Grinding operation: Grind along the ice skate blade 3-5 times to complete the edge. In addition, the diamond part of the tail can also be used for edge grinding, also grinding 3-5 times. Storage and preservation: Put the sharpener in the storage box after use and keep it dry to extend the service life. With its suitable material, portable design and simple and easy-to-use method, this ice skate sharpener provides a convenient edge grinding tool for ice skate users, helps maintain the performance of ice skates, and is a practical accessory for skating enthusiasts.