11 Tooth Precision Design This ski and snowboard edge file features an 11 tooth design for more effective and precise edge sharpening. The teeth are crafted for trimming and fine tuning, helping you shape and refine your ski and snowboard edges. Durable and Quality Construction Built to last, the file uses durable materials that resist wear and tear. You can sharpen your edges multiple times without losing effectiveness, ensuring long lasting performance to maintain your edges throughout the season. Compact and Lightweight Measuring 7 x 2.8 cm (2.76 x 1.1 inches) with a thickness of 0.4 cm (0.16 inches), this tool is compact enough for easy storage and portability, yet sturdy enough for regular use. Compatibility Designed to work seamlessly with all solid angle rulers available on the market, this edge tuning tool lets you maintain your ski and snowboard edges regardless of brand or model. Use scenarios Pre season setup: use to sharpen and fine tune edges before the first runs of the season. In season maintenance: perform quick touch ups on the slopes to maintain edge bite and bevel consistency. On the go tuning: a portable tool for field adjustments during trips or at the mountain.