Your lawn will feel better and look nicer with quality blades, just as quality razors are better than cheaper alternatives. - Better quality than others on the market, flexible blades and 0.75 mm stainless steel. XL package with a full 90 blades and 90 screws. Mower blades / Safety blades suitable for all robotic lawnmowers from Husqvarna Automower Gardena Silver and Meec. The blades are made of 0.75 mm thick stainless steel and are flexible so that knife residues or pieces from the blade do not end up on the lawn if you hit a stone or something else hard with your lawnmower, stronger than standard blades on the market! The blades and screws are delivered in protective packaging for this blade set. When the robot starts cutting unevenly, it's time to change the blades. How often they should be changed depends on many different factors, including the thickness of the grass, moss, if there are stones it happens to hit, how often the lawnmower cuts the grass, etc. It is always good to have some long-lasting blades in reserve at home during the mowing season. Fits: - Husqvarna Automower: 105, 210C, 220AC, 230ACX, 265ACX, 305, 308, 310, 315, 320, 330X, 420, 430X, 440 and 450X - Gardena: R40Li, R50Li, R70Li, R80Li, R160 and Sileno - Others it fits: Clipper, Meec, McCULLOCH, Rob S600 Details: - Stainless steel - Thickness: 0.75 mm - Size: 35 x 18 mm - Delivered safely and securely - Third-party manufactured The package contains: - 90 blades + 90 screws