COMPATIBLE lawn mower blade  AS MOTOR      Features :  Length (mm): 527  Centre hole (mm): 20.3  Outer hole (mm): 6.8  Centre/centre distance (mm): 46.6  Weight: 1.25 kg  For models :  AS MOTOR  : 21 AH1/4T      Code : 13270034  Original part number :   E05757  AS MOTOR