1. [Professional Skate Sharpening Stone] Using a diamond sharpening stone to precisely and consistently sharpen the blade for good performance on the ice. 2. [Multi - Function 3 - in - 1] This portable knife sharpener can not only sharpen skates but also includes a ceramic polisher to keep the edges smooth and polished. Additionally, it comes with a lace tightener, offering convenience and versatility in one compact tool. 3. [Durable Material] The handle of our skate blade sharpener is made of good materials to withstand frequent use and provide consistent results. The diamond sharpening and ceramic polishers are designed to be durable, ensuring a reliable sharpening experience each time. 4. [Enhanced Performance & Safety] Properly sharpened skate blades can improve overall performance and provide better grip and stability on the ice. With our knife sharpener, you can easily maintain a sharp edge, reduce the risk of accidents and enhance your skating experience. 5. Size: about 16cm 6. Material: Emery + Plastic 7. Colour: Black + Silver 8. Package Contents: - 1 x Ice Skates Blade Sharpener - Only the above package content, other products are not included. 9. Note: Light reflection and different displays may cause the color of the item in the picture to be a little different from the real thing. The measurement allowed error is +/- 1 - 3cm.