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: Please allow slight measurement deviations due to manual measuring. Due to differences in monitor displays, the image may not reflect the actual product color.