1.Efficient 11tooth design for precise edge tuning: the snowboard trim file features an 11tooth design that ensures precise edge tuning for skis and snowboard. Its fine craftsmanship allows you to maintain optimal edge sharpness and improve performance on icy or packed snow. 2.Compatible with all full angle rulers: This versatile tuning tool works seamlessly with all solid angle rulers on the market, making it ideal for various edge bevels. Its compatibility ensures accurate results for both amateur and professional skiers and snowboarders. 3.DURABLE CONSTRUCTION FOR LONG USE Made from high quality materials, this trim file is built to withstand repeated use in harsh winter conditions. Its rugged design resists wear and tear and delivers performance season after season. 4. and easy to use: the compact and lightweight design of the file makes it easy to carry in your equipment bag or bag. Its ergonomic shape ensures a comfortable grip and allows for smooth and effortless tuning, even during outdoor trips.