Excellent cutting performance. 45 screws and 45 blades included, size: 35 x 18 x 0.75mm, smooth edge with 0.75mm thickness, sharp and durable. This lawn mower blade will improve the performance of your lawn mower and allow you to mow the lawn efficiently. High Quality MaterialTitanium blade for lawn mower made of high quality stainless steel with titanium coating, excellent rust resistance, acid resistant and alkali, wear resistant for ultimate durability. Weather resistanceThe blade blades are made of titanium not only offers better protection against rust, but also guarantees high efficiency in bad weather and longer service life to meet a variety of needs. Easy to replace blade for robotic lawn mower, very easy to install and change screws. You can turn it over while one side is foamed. Keep your lawn clean, green and healthy. Compatibility guaranteedReplacement blades for robotic lawnmowers can be easily used with all models of the popular brands Automower, Husqvarna and Gardena.