HUSQVARNA MULCHING BLADE FOR DIFFERENT MODELS MODEL - TECHNICAL SPECIFICATIONS LENGTH 533 mm CENTRAL BORE STAR 5-PINT OUTSIDE BORE - mm CENTRAL BORE INDEX - mm CODE: 13270196 ORIGINAL CODE 532 13 41-49 , 532 13 97-75 , 539 11 04-60 , 134149 , 139775 SR