Material: The ice skate blade sharpener is made of high quality plastic and diamond, exquisite workmanship, wear resistant and durable. Design: Maintaining and keeping damaged edges or blade sharp again within 10 seconds and no need to take off the skates. Sharpening stone and deburring stone in 2 sides. Specification: The skate blade sharpener is about 7 cm in length and 4.5 cm in width; Whetstone diameter 12mm, length 35mm, rough grinding 80 grit, fine grinding 400 grit. Advantage: The ice blade sharpener can effectively carry out daily maintenance of the ice blade. The operation is very simple and the grinding stone is durable. Application: The ice blade sharpener is adjustable, suitable for most ice hockey skates and figure skating blade width, light weight, easy to carry. Specification: Material: Diamond Size Chart: Overall size: 7x4.5cm/2.76x1.77inch Sharpening stone diameter: 12mm/0.47inch, length: 35mm/1.38inch Package Includes: 1 Piece Ice Skate Blade Sharpener Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping