BLADE KNIFE FOR FLYMO MOWER ROTARY MOWER TOOTHERS FOR MODELS CHEVRON 37 V , CHEVRON 37VC MODEL - TECHNICAL SPECIFICATIONS LENGTH 367 mm MIDDLE BORE 8.2 mm OUTSIDE BORE 8.2 mm MIDDLE HOLE 60 mm CODE: 13271777 ORIGINAL CODE: 579 04 19-90 , 579041990 SR