This blade disc is used if Automower has a skid plate fitted. otherwise, use 574 48 71-01 580 79 28-02 - Automower 308 Cutting Disc, Gardena R70Li Replacing 580 79 28-01 It fits Flymo 1200R, 2013-06 Gardena R80Li, 2015 R70Li, 2013-2015 R50Li, 2015 R45Li, 2013-2015 R40Li, 2013-2015 R38Li, 2015-01 Husqvarna AUTOMOWER 305, 2013-2015 AUTOMOWER 308, 2013-2015