- Material and purpose: Made of diamond and ceramic. The diamond provides high hardness for effective ice skate edge sharpening, while the ceramic ensures durability and stability of the sharpener, improving sharpening results. - Portable design: Size 160 x 28 x 15 mm and weight 140 g. Includes a storage box sized 165 x 40 x 30 mm for safe carrying and storage, keeping the sharpener dry and protected. A metal hanging ring allows easy attachment to backpacks or gym bags for quick access. - Targeted application: Specifically designed for ice skate edge grinding to keep the blade edge sharp and smooth, improving performance and safety on the ice. - Usage method: Hold the sharpener in the right hand. Grind along the ice skate blade 3-5 passes. The diamond section at the tail can also be used for edge grinding for 3-5 passes. After use, place the sharpener in the storage box and keep it dry to extend service life. - Benefits and features: A practical, portable edge grinding tool that helps maintain skate performance and safety. Suitable for skating enthusiasts. - Use scenarios: At the rink between periods for quick edge touch-ups; at home for routine maintenance of skates; on the go, thanks to the hanging ring and compact design for easy access.