PRODUCT INTRODUCTION Applicable model: Robotic Lawn Mower Blades Compatible with All Husqvarna and Gardena Automower, 220AC, 230ACX, 260ACX, 265ACX,R38Li, R40Li, R45Li, R50Li, R70Li, R75Li, R80Li, R100Li, R130Li, R160Li, R165, R180, 305, 308, 310, 315, 320, 330X, 420,430, 430x, 440, 450x etc. High quality materials: stainless steel/ high carbon steel and titanium alloy. Widely used: The Lawn Mower Blade is a double edge blade, sharp and durable, suitable for all types of grass, gardens, backyard, lawn grass, etc., with a wide range of uses. Easy installation: Simply remove the screws and replace them with new ones, making it very easy to replace the lawn mower blade.