LONG SERVICE LIFE: Robotic Mower Blade is from superior Stainless Steel Material, titanium Coating on corrosion prevention, super-tough, High strength and long life. SMOOTH CUTTING: The cutting performance excellence, cutting edge smooth and clean, no edge tissue. COMPATIBLE WITH: Fit for all Gardena and Husqvarna Automower, 220AC, 230ACX, 260ACX, 265ACX, 305, 308, 310, 315, 320, 330X, 420,430, 430x, 440, 450x, R38Li, R40Li, R45Li, R50Li, R70Li, R75Li, R80Li, R100Li, R130Li, R160Li, R165, R180, etc. WHAT YOU GET: 30PCS Titanium coating mower replacement blades and 30pc screws. The size is 35*18*0.75mm. 100% SATISFACTORY SERVICE: If you have any questions about our products, please feel free to contact us, we will provide you with the best service.