Compact size for easy handling: Each sharpener measures 70*25mm, compact and easy to control while maintaining precision during sharpening. material: This ski edge sharpener set is crafted from diamond material, ensuring durability and efficient sharpening of ski edges. Ideal for ski enthusiasts: Suitable for both professional skiers and hobbyists who want to maintain equipment with ease using reliable tools designed specifically for ski maintenance. Versatile grit options: The set includes four grit levels (240, 360, 500, and 1000), providing a complete solution for both coarse sharpening and fine polishing of your skis. Practical use scenarios: Preseason tuning at home to establish and polish ski edges with controlled grit progression. Quick onmountain maintenance between runs to refresh edge sharpness with the appropriate grit. Professional or ski club maintenance to deliver durable, accurately tuned edges across multiple skis.