MULCHING BLADE LEFT-HAND ROTATION LAWNMOWER MOWER HUSQVARNA FOR MODELS 92 CM / 36 COLLECTION CT130 , CT131 , CT135 , CT151 , CTH130 , CTH135 , CTH140TWIN , CTH140P , CTH151 , CTH151XP , CTH155 , CTH171 MODEL - TECHNICAL SPECIFICATIONS LENGTH 464 mm CENTRAL HOLE star , 5 prong OUTER HOLE - mm CENTRAL HOLE INDEX - mm CODE: 13270186 ORIGINAL CODE: 532 42 63-23 , 532 18 72-09 , 532 17 00-37 , 532 16 55-60 , 532 17 00-37 SR