DOUBLE BLADE HUB BLADE HOLDER FOR HUSQVARNA LAWN MOWERS TAG LIAISER : CT135 , CTH135 , CT151 , CTH55 , CTH171 , CTH172 , CTH222T , CTH182T , CTH184T , CTH24T MCCULLOCH : M15507HRB , M165107HRB , M185107HRB , M200107HRB MODEL - TECHNICAL SPECIFICATIONS SHAFT DIAMETER - mm HEIGHT - mm INSERTION DEPTH - mm PULLEY DIAMETER - mm CODE: 13286749 ORIGINAL CODE 583 589801 , 532 446995 , 532 1808978 SR