Usage Tips:Replacement blade for titanium coating: Quality robot mower blades Upper and Upgraded Screws - Sharp and strong enough for a smooth and perfect cut while working efficiently. Good cutting performance: The sharp blades cut the grass in all directions, helping it to cut. to strengthen and to give a beautiful and similar appearance to; that of a carpet. Easy to Replace: Replacement blades are just as easy to replace. install and change with screws than the blades, can easily complete the replacement without the help of others.Please protect your hands to avoid being cut. Specification: Size: 35x18x0.75mm Weight: 3g Length: 11mm Blades: Stainless Steel Coating: Titanium Color: 45 Gold blades 45 screws for the following models: Husqvarna Automower and Gardena models: 105, G1, G2, Solarhybrid, 220AC 230ACX 260ACX 265ACX 305 308 310 315 320 330ACX 420 430X 440 450X R38Li R40Li R40Li 45Li. 0Li R70Li R75Li R80Li R100Li R130Li R160Li R165 R180 Sileno smart Sileno Sileno+ smart Sileno+ smart Sileno+. Note: 1.Please keep titanium blades away from children and pets due to their sharpness. 2.Blades should be replaced when the grass is gray and above. 3.In exchange, the screws must also be changed.