【High-quality material】 The robot lawn mower blade is made of high-quality stainless steel and coated with titanium, which increases its hardness, improves its wear resistance and prevents breakage, thus giving it great durability. The equipped screws are also galvanized, rust-proof, resistant to fading and wear. 【Perfect cutting】 The single-hole blade is lightweight and sharp for bilateral cutting, ensuring an ultra-fine cutting edge. Your lawn will be beautiful and healthy after mowing. Enjoy your beautiful garden. 【Superior Weather Resistance】The robot lawn mower blades can be used all day long and withstand various weather conditions, ensuring their sharpness in harsh conditions such as rain, sun, snow, and frost.