【High-quality material】The robot lawn mower blade is made of high-quality stainless steel and has a titanium coating, which increases the hardness of the blade, improves its wear resistance and prevents breakage, making it durable. The equipped screws are also made of galvanized coating, rust-proof, light-resistant and wear-resistant. 【Perfect Cutting】The single-hole lawn mower blade is lightweight and sharp for double-sided cutting, ensuring the finest cutting edge. Your lawn will be healthy and beautiful after mowing. Enjoy your beautiful garden. 【Superior Weather Resistance】The robot lawn mower blades can be used all day and can withstand various weather conditions, ensuring they can stay sharp in various harsh conditions such as rain, sun, snow, and frost. 【Easy to Replace】Worx replacement blades can be easily replaced using the included screw set, saving time and effort. The screw tenon simplifies installation, reduces thread damage, and makes it less likely to loosen. Safety is