Classic Husqvarna Blades ensure safe handling and the perfect cut. For extra safety, the blades fold back into the cutting disc if they touch an object. They are made from hardened carbon steel for extra durability and meet all required safety standards. The blades fit all Husqvarna Automower and Husqvarna Ceora robotic lawn mowers. Having sharp blades ensures a clean cut and a healthier lawn. Specifications Product size length: 3.58 cm Product size width: 1.87 cm Product size height: 0.063 cm Product code: 577606505