HUSQVARNA ROTARY MOWER BLADE FOR MODELS LT131 , LT141 , LT151 , LT154 , LTH141 , LTH151 , LTH154 MODEL - TECHNICAL SPECIFICATIONS LENGTH 482 mm CENTRAL HOLE star , 5 prong OUTER HOLE - mm CENTRAL HOLE INDEX - mm CODE: 13271440 ORIGINAL CODE 532 13 84-97 , 532 1313-22 , 532 12 78-42 SR