Application and Compatibility: For Automower Husqvarna, Gardena and Yardforce models/types: 105, G1, G2, Solarhybrid, 220AC 230ACX 260ACX 265ACX 305 308 310 315 320 330ACX 420 40 440. 50X R3 8Li R40Li R45Li R50Li R70Li R75Li R80Li R100Li R130Li R160Li R165 R180, Yardforce, Sileno smart Sileno Sileno + smart Sileno+Premium Material: Made of premium stainless steel with titanium coating. The titanium coating provides excellent rust resistance, good wear resistance, and a long service life. Most precise cutting results: Enjoy a unique and consistent smooth cut: our knives are specially hardened, specially sharpened, and cut more precisely than ever before High quality and durable: The replacement blades for robotic lawnmowers are finely polished, extremely thin, and sharp at 0.75 mm thick, 3 g. These blades do not need to be changed frequently. They do not rust, do not break, and remain sharp for a long time. The screws provided are also rustproof. High Safety: Replacement blade for robot lawn mower thanks to the high-quality material, these blades are harder to break. Even if the blade is on resistors (stones, etc.). Ideal for the safety of animals and children.