LEFT-HAND ROTATION HUSQVARNA LAWN MOWER BLADE FOR MODELS CT131 , CT141 , CT150 , CT151 , CT153 , CT154 , CTH140 TWIN , CTH150XP , CTH151 , CTH151XP , CTH163T , CTH164T , CTH171 , CTH173 , CTH174 MODEL - TECHNICAL SPECIFICATIONS LENGTH 498 mm CENTRAL HOLE star , 5 prong OUTER HOLE - mm CENTRAL HOLE INDEX - mm CODE: 13286603 ORIGINAL CODE 532 42 79-84 SR