Rebirth Husqvarna / Gardena / Mc Culloch Robot Mower KnivesRobotic mower knives For Gardena robotic lawnmower models: R38LI R40LI, R45LI R50LI R70LI R80LI R160 Sileno, Sileno+ For Husqvarna robotic lawnmower models: 105, 115H 210C, 220AC, 230ACX, 260ACX, 265ACX 305, 308, 310, 315X, 315X , 320, 330X 420, 430X, 430XH, 440, 450X, 450XH 520, 550, 550H Solar Hybrid For Flymo robotic lawnmower models: 1200R For McCulloch robotic lawnmower models: ROB R600, ROB R800, ROB R1000 ROB S400, ROB S500, ROB S600 For YardForce robot lawn mower models: SA500ECO, SA600H, SA800PRO, SA900 SC600ECO For Herkules robot lawn mower models: 1000, 1500 2500 (Not all models are above) Total length: 34.5 mm Width: 18 mm Thickness: 0.75 mm Axis of the fixing hole: 5.3 mm Replaces Origin: 966 80 95-01, 966809501, 5776064-02, 5776064-03, 577864602, 577606403, 4087-20, 577864603, 5778646-03, 589402001, 5894020-01. This part is not original manufacturer but is generic.