weight distributing hitch 1. tongue weight :400-600lb,501-800lb,801-1200lb,1201-1700lb 2.shank length :10'' weight distributing hitch1. tongue weight :400-600lb,501-800lb,801-1200lb,1201-1700lb2.gross trailer weight:6000lb,8000lb,1200lb,15000lb3.8'' total height adjustment4. dual sway control plarform4. raised ball platform for preater coupler clearance weight distributing hitch