Friction disc lawn mower ORIGINAL BRILL Exterior (mm): 51 Interior (mm): 32.3 Thickness (mm): 2 Weight: 8 g For models: Brill 40 BC 40 BRC 42 BFR 42 BM 43 BR 46 BH 46 BR 51 BR Evolution 42 BM Code: 842B08740 Original code : B08740 BRILL SR m