Product description 45 Pcs Replacement Blades, Titanium Knife Blades for Robot Lawn Wer Titanium Blades With 45 ScrewCompatible for AutoWer Gardena Product features: 1.SUPERior cutting performance: The blade thickness is 0.75mm, very loWeight of 3g per blade, which does not affect the robot axis. 2. Long life: The blades arMade of stainless steel with titanium alloy to ensure perfect durability in alWeather conditions. 3Compatible manufacturers and models in detail: Gardena - R38Li R40Li R45Li R50Li R70Li R75Li R80Li R100Li R130Li R160Li R165 R180 Sileno Sileno + AutoWer spare blades with screws - 105 G1 G2 Solar hybrid 220AC 230ACX 260ACX 265ACX 305308310315320 330X 420 430X 440 450X Yardforce - SC600 SC 600 Eco SC 900 Tips: 1. Please make sure during assembly that the replacement blades are very sharpWe recommend that yoWear safety gloves when replacing. 2. The screws should also be replaced with the new screws provided each time the blade is replaced. 3. Always replace a complete set of knives to avoid imbalance. Features: