Husqvarna Part 599805311 includes 45 Enhance HSS blades made from high-speed steel with a hardened edge and softer core, offering lasting sharpness and break resistance. With a dual-edged design and Intertek safety certification, these blades suit systematic mowing and are ideal for CEORA™ and other robotic systems. Compatible with models including Automower® 430X, 450X, 415X, 435X AWD, 450XH, 450XH EPOS™, 535 AWD, 550H EPOS®, 580L EPOS®, CEORA™ Starter Kit, and the full Automower® 500 series, these blades deliver reliable, high-precision performance.