Smooth Cutting: Extra sharp replacement blades for automatic lawn mowers ensure even and smooth cutting of the lawn. Easy to replace, just replace the blade with a screwdriver. Upgraded Packaging: With plastic packaging, the box can be recycled to protect the blade, easy to carry and store. Safety: Due to the solid stainless steel material, the blade of the robot lawn mower is not easy to break when used with hard objects (e.g. stones) and can be used safely. Don't worry about the blade suddenly flying out and hurting people. Weatherproof - With a special titanium carbide finish, the mower blade is rust-proof and weather-resistant, which allows it to easily self-clean by rotating on its own. This allows your robot lawn mower/robot mower to mow efficiently for a long time, even in bad weather. Sharp blade: The blade of the robot lawn mower has two sharp edges that provide more efficient cutting performance. In addition, the sharper blade cuts more grass, which reduces the frequency of