High Quality Titanium Coated Replacement Blade: Premium Robotic Mower Blades and Upgraded Screws - Sharp and durable enough for smooth and perfect cutting while working efficiently. Good cutting performance: The sharp blades cut the grass in all directions, helping it to strengthen and give a beautiful, carpet-like appearance. Easy to replace: The replacement blades are as easy to install and change with screws as the original blades, can easily complete the replacement without other people's help. Please protect your hands to avoid beingcut. 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 R5.0Li 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 also need to be changed.