MULCHING BLADE FOR HUSQVARNA MOWER ROTARY MACHINES FOR DIFFERENT MODELS MODEL - TECHNICAL SPECIFICATIONS LENGTH 470 mm CENTRAL HOLE star , 56 points OUTER HOLE - mm INDEX OF CENTRAL HOLES - mm CODE: 13270190 ORIGINAL CODE : 532 18 72-56 , 532 18 75-55 , 532 18 72-54 , 532 40 12-86 , 539 11 20-53 SR