The Kuu COMBO SHARP Sharpener with File -86 / 87 / 88 / 89 is a precision ski and snowboard edge tuning tool designed for both side and base edge maintenance. It supports multiple side edge angles, specifically 86°, 87°, 88°, and 89°, allowing users to customise the sharpness and performance of their edges based on personal preference or snow conditions. This combo tool includes an integrated file, making it a convenient all-in-one solution for maintaining edge sharpness and consistency. Ideal for both recreational and competitive riders, it offers versatility and professional-level results in a compact, easy-to-use design.