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