HUSQVARNA STANDARD ROTARY CUTTING BLADE FOR DIFFERENT MODELS MODEL - TECHNICAL SPECIFICATIONS LENGTH 508 mm CENTRAL BORE 16 mm OUTER BORE 9.5 mm CENTRAL BORE INDEX 48 mm CODE: 13270042 ORIGINAL CODE 532 14 51-06 , 531 02 10-16 , 532 85 09-72 , 531 00 60-63 SR