• 12 Replacement Blades• Long-Life Carbon Steel• Quad-Edge Cutting Design• Includes Screws• Easy Installation• High Cutting Precision• Durable & Wear Resistant• How to replace the blades? Segway Navimow Blade Assembly Plus Replacement Blade Set – 12 Piece Long-Lasting Performance Made from durable carbon steel, these blades are engineered for extended use, offering excellent resistance to wear and consistent cutting performance. Quad-Edge Cutting Design Each blade features four sharp cutting edges, ensuring even, precise mowing and longer blade life before replacement is needed. Wide Compatibility Fully compatible with Segway Navimow H-Series, i-Series, and X3 Series robotic lawnmowers, making this set a perfect replacement or spare kit. Easy Installation Supplied with screws for quick and hassle-free blade replacement, keeping your mower operating at peak efficiency with minimal downtime. High-Efficiency Cutting Designed to maintain optimal cutting performance, ensuring a clean, even lawn finish every time.