Specifications: 1)Maximum load: 6, 000 lbs2)Tongue weight: 600 lbsThehitch ball and ball mount are tested to exceed V- 5 specifications. They comply with safety specifications and requirements of SAE J684 and VESC V5 regulations. Before towing, We make sure that hitch ball is tight and ball mount is secure in receiver. For more information or special design, Please contact us.