Features: Universal Compatibility: The Rotarys Lawnmower Sharpener is designed to be compatible with most types and models of lawnmower blades, making it a versatile tool for sharpening. Efficient Sharpening: This sharpener is specifically designed to effectively sharpen lawnmower blades, restoring their cutting edge and improving the overall performance of your lawnmower. Easy to Use: The sharpener features a user-friendly design that allows for easy operation. Simply attach it to a drill or power tool and run it along the cutting edges to sharpen them quickly and efficiently. Exquisite Workmanship: This sharpener has precise craftsmanship and high-quality materials, providing a reliable and satisfying user experience. Sturdy Construction: Made from durable materials, this sharpener is built to last, ensuring long-term use and consistent sharpening performance. Notice: 1. Actual color may be slightly different from the image due to different lighting conditions. 2. Please allow 1-3 cm deviation due to manual measurement. Material: Brown corundum Size: Outer diameter: 50 mm, Hole diameter: Shank diameter 6.35 mm, Thickness: 71.4 mm Package List: 3 x Lawnmower Sharpener