The Swix 89˚ Side Edge File Guide is built for precise, high-performance edge tuning, offering a fixed angle that delivers strong edge grip on firm snow. Designed for consistency, it securely holds a file in place, allowing for smooth, even passes along the ski edge without chatter or deviation. The 89-degree angle is a popular choice for advanced skiers seeking a balance of bite and durability, making it a versatile option for a range of conditions.