Replacement lawn mower blades are finely polished, extremely thin and sharp, with a thickness of 0.85 mm and a weight of 3 g, which does not affect the balance of the mower axis. Provides a smooth, even cut, improving cutting efficiency, speed, and performance. Blades and screws are made of high-quality stainless steel and premium tungsten carbide alloy. Unique manufacturing process with rust resistance, break resistance, and corrosion protection ensures long-lasting strength and durability. High safety: Replacement blades are made from durable materials and will not break easily. Even if the blade encounters resistance (such as stones), it remains intact, ensuring safety for children and pets. Long lifespan: The titanium coating provides excellent rust protection and maintains high cutting efficiency in harsh weather conditions, significantly extending the blade's service life to meet a variety of mowing needs. Compatible with multiple models of Worx, LandXcape, Zoef Robot, and Einhell mowers, including: 1WR130E, 141E, 142E, 143E, 153E, 155E, etc. Package includes: 30 x robotic lawn mower blades with screws, titanium blades for Worx Landroid, also fits LandXcape, Zoef Robot, and Einhell models. Specifications: 1. Material: Stainless Steel 2. Coating: Titanium 3. Thickness: 0.82 mm 4. Size: 36.2 mm x 18 mm 5. Hole Diameter: 7 mm