Material: The ice skate blade sharpener is made of high-quality plastic and diamond, with excellent craftsmanship, wear-resistant and durable. Design: Maintains and restores damaged edges or blades in under 10 seconds without removing the skates. Features a sharpening stone on one side and a deburring stone on the other. Specification: The skate blade sharpener measures approximately 7 cm in length and 4.5 cm in width; whetstone diameter is 12 mm, length is 35 mm, with 80-grit for coarse grinding and 400-grit for fine grinding. Advantage: This ice blade sharpener allows effective daily maintenance of ice skate blades. It is easy to use and features a long-lasting grinding stone. Application: The ice blade sharpener is adjustable and suitable for most ice hockey skates and figure skating blades. Lightweight and portable. Material: Diamond and plastic Overall size: 7 x 4.5 cm / 2.76 x 1.77 inches Sharpening stone diameter: 12 mm / 0.47 inches, length: 35 mm / 1.38 inches Package Includes: 1 Piece Ice Skate Blade Sharpener Note: 1. Please allow slight measurement deviations due to manual measuring. 2. Due to differences in monitor displays, the image may not reflect the actual product color. 3. Enjoy your online shopping experience.