Compatible for all Worx Landroid robotic lawnmower models 【Excellent Safety】 The chivving robotic lawn mower blades are equipped with special screws. Hardness: 50-52 HRC. 【Excellent Weather Resistance】 chivving robotic lawn mower blades are made of stainless steel and have a titanium coating that increases the hardness of the blades, improves their wear resistance, and prevents breakage to ensure the life of the blades.
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