PREMIUM MATERIAL: Made of premium stainless steel with titanium coating. Titanium coating provides excellent rust resistance, good resistance to Most precise cutting results Enjoy a unique and consistent smooth cut: our knives are specially hardened, specially sharpened and cut more precisely than ever High Quality and Durable de Replacement Robotic Mower Blades are finely polished, extremely thin and sharp - 0.75mm thick, 3g. These blades do not need to be changed frequently. They wont rust, break and stay sharp for a long time. The screws supplied are also stainless. High safety Replacement blade for robotic mower Thanks to the premium material, these blades are more difficult to break. Even if the blade is on resistances (stones, etc.). Ideal for the safety of animals and children Benefits : 100% compatible with original blades. Premium stainless steel and titanium coating for excellent resistance to rust, acid and alkali. Additional innovative coating for a long service life. Sharp enough for a perfect and efficient cut of the lawn Easy and quick to assemble. Space saving. Small packing boxCharacteristics :Material: stainless steel.Thickness: 0.75 mm / piece.Weight: 3 g / piece.Screw length: 11mmDimensions of the spare robot blade: 35 mm x 18 mm x 0.75 mm.Note :1. Replacement blades are extremely sharp, please take this into account during assembly. Always wear gloves and, if necessary, protective goggles.Please keep titanium knives away from children and pets because of their sharpness.