Intirilife Pack of 30 blades with stainless steel screws for robotic lawnmowers If you value an always well-maintained lawn, our set of 30 titanium blades is just the right thing for you. The selected materials (stainless steel and titanium) guarantee perfect mowing work. They are weatherproof, rust-resistant, wear-resistant and particularly sharp. The blades are easily attached to the robot with the included screws. + Pack of 30 blades and accompanying screws. + High-quality stainless steel with titanium coating.