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 seconds without removing the skates. Features sharpening stone on one side and deburring stone on the other. Specification: The skate blade sharpener measures approximately 7 cm in length and 4.5 cm in width; whetstone diameter 12 mm, length 35 mm, with 80 grit for coarse grinding and 400 grit for fine grinding. Advantage: This ice blade sharpener enables effective daily maintenance of ice blades. Simple to operate and provides long-lasting performance. Application: Adjustable design suitable for most ice hockey skates and figure skating blade widths. Lightweight and portable. Material: Diamond Overall size: 7 x 4.5 cm / 2.76 x 1.77 inches Sharpening stone diameter: 12 mm / 0.47 inch, length: 35 mm / 1.38 inches Package Includes: 1 Piece Ice Skate Blade Sharpener Note: 1. Please allow slight variation due to manual measurement. 2. Due to differences in monitor displays, the image may not reflect the actual color of the item.