Features 1Made of qualified plastic and diamond, strong and durable, lightweight and nonslip. Thin roller for better, more consistent sharpening effect. 2To make the skates sharper, it is so simple to move lightly. Coarse grinding and fine grinding is easy to operate, durable wear resistance, coarse/fine grinding, grinding stone can be rotated. Durable, flower knife/ball knife can be used. 3Fine grindstone for daily care and polished blade, polished with a detailed diamond rod, fixed skates and moved back and forth with a grindstone rod. 4Coarse grindstone, after the skates are fixed with rough diamond cutting edge, the rough diamond grinding rod is moved and polished back and forth. 5The portable sized sharpener fits the width of most ice blades without affecting the clearance or radius of the blades. It is adjustable makes it suitable for most ice hockey skates and figure skating blades. It's easy to carry with a rope and a nice storage bag, and the fishshaped is cute and easy to hold. Condition: 100% New Item Type: Ice Skates Blade Sharpener Material: Diamond + Plastic Options: Black, Blue, Red Product Size :Approx. 7.5x3.5x2.5cm/3x1.4x1inch Weight: Approx.50g/1.8oz Disassembly and Assembly Method: 1. Loosen the Two Screws a Few Times 2. Cut out the Corresponding Size with Common Cards and Put Them into the Sides of the Plastic Stuck Shell of the Sharpener (such As Cards with the Thickness of 1.5-2mm). 3. Just Adjust the Width to Fit the Thickness of Your Blade and Tighten the Screws Package List 1 x Blade Sharpener 1 x Storage Bag