COMPATIBLE lawn mower blade AS-MOTOR AS 21 AH1/4T ALLMÃ "HER Features : Length (mm): 527 Centre hole (mm): 20.3 Outer hole (mm): 6.8 Centre-to-centre distance (mm): 46.6 Weight: 1.25 kg For models : AS MOTOR : 21 AH1/4T Part No. : 30-310 Original part No. : E05757 AS MOTOR V.R