1. Easy to replace blades are double-sided and simple to install and change using screws. You can reverse direction while one side is in use. Keep your lawn clean, green, and healthy. 2. Made of high-quality stainless steel with a titanium coating. The coating provides excellent rust resistance, good wear resistance, and long-lasting durability. 3. Delivering precise cutting results, these blades are extra hardened and specially sharpened for a consistently smooth and clean cut. 4. High-quality and durable replacement blades for robotic lawnmowers are finely polished, extremely thin, and sharp—0.75 mm thick, 3 g. These blades maintain sharpness for extended periods and do not require frequent replacement. They resist rust and breakage. Included screws are rustproof. 5. Designed for safety, these robotic lawnmower replacement blades are made from high-quality materials to resist breaking. Even when encountering obstacles such as stones, they provide enhanced safety for children and pets.