The robotic lawnmower is thin and light, therefore the cutting effect of the robotic lawnmower is very good. So you can easily mow your lawn. The blade change is very convenient. Simply unscrew the old robotic lawnmower and install the new blades with the supplied screws. Lawn mowing is a long-term task, and it is best to always have a set of this product, so you can replace it immediately if needed without delaying the mowing. Our recommendation is not only to replace a single blade, but to replace the entire blade set and the screws included in the delivery to achieve a smoother cutting effect, clean and precise grass cutting, high cutting efficiency; our lawnmower blades will provide long-lasting performance. The replacement blade has a special surface treatment, the blade does not rust easily and is weather resistant and can be cleaned easily. The lawnmower blade has two sharp sides, giving you more efficient cutting performance. Lawn can be cut quickly, which reduces the frequency of changing blades and increases the efficiency of the machine. The blade has higher hardness, smoother surface, better foaming and better insulation, which allows you to mow efficiently for a long time and have a better experience even in bad weather.