Material: The ice hockey skate sharpening stone is made of high-quality plastic and diamond, with exquisite workmanship, wear-resistant and durable.Design: Maintain and repair damaged edges or blades again within 10 seconds and no need to take off the skates. Sharpening stone and deburring stone on 2 sides.Specification: The skate sharpening stone is about 7 cm long and 4.5 cm wide; Sharpening stone diameter 12 mm, length 35 mm, coarse grinding 80 grit, fine grinding 400 grit.Advantage: The ice blade sharpening stone can effectively perform daily maintenance of the ice blade. The operation is very simple and the sharpening stone is durable.Application: The ice blade sharpening stone is adjustable, suitable for most ice hockey skates and figure skating blade widths, light weight, easy to carry.Specification:Material: DiamondSize Chart:Overall size: 7x4.5 cm/2.76x1.77 inchSharpening stone diameter: 12 mm/0.47 inch, length: 35 mm/1.38 inchPackage includes:1 piece ice hockey skate sharpening stoneNote:1. Please allow a slight 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