Excellent Cutting Performance45 screws and 45 blades included, size: 35*18*0.75mm, smooth edge with 0.75mm thickness, sharp and durable. This lawn mower blade improves the performance of your lawn mower, which allows you mow your lawn efficiently High Quality MaterialTitanium lawn mower blades made of high quality stainless steel with titanium coating, excellent rust resistance, anti acid and alkali, wear resistant to provide the ultimate durability< /p> Weather ResistanceTitanium knife blades not only provides better rust protection, but also ensures high efficiency in bad weather, guarantees longer service life to meet a variety of needs Easy to ReplaceRobot lawn mower blade, very easy to install and change with screws. You can reverse it while one side is blunt. Keep your lawn clean, green and healthy