Material: The ice skate blade sharpener is made of high-quality plastic and diamond, featuring excellent craftsmanship, wear resistance, and durability. Design: Maintains and restores damaged edges or blades in under 10 seconds without removing the skates. Includes sharpening stone and deburring stone on two sides. 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: Effectively performs daily maintenance of ice skate blades. Simple to operate with a durable grinding stone. Application: Adjustable design suitable for most ice hockey skates and figure skating blade widths. Lightweight and portable. Size Chart: 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 variation due to manual measurement. 2. Due to differences in monitor displays, the image may not reflect the actual color of the item.