The KUU Diamond Stone (Black, X-Coarse, 240 Mesh) is a high-performance edge tuning tool designed for alpine skis and snowboards. Measuring 110 mm x 23 mm, it features an extra-coarse diamond grit ideal for aggressive edge work, such as removing burrs, rust, or reshaping edges before finer polishing. This durable stone ensures consistent performance and longevity, making it suitable for both professional technicians and dedicated enthusiasts. It comes with a protective pouch for safe storage and easy portability, ensuring your tuning gear remains in top condition.