Moonflex Diamond Stones are some of the most cutting edge tuning files for skis and snowboards on the market. For years now, the Moonflex Diamond Stones have been the tuning file of choice for many professional ski technicians. These strong, long lasting stones remove burrs from your edges while issuing a fine polish. At Utah Ski Gear, we carry every grit you need for a high performance edge on your skis or snowboard. Our Moonflex Diamond Stones come in kits or individually if you ever just need a replacement. When it comes to ski and snowboard edge tuning, a diamond file is the way to go. When your edges are properly tuned, you can ski faster, and more importantly, safer.