Connor Towing 1621350- Class II 1-1/4 Ball Mount: GTW-3500 lb. Fits Class II 1-1/4 in. x 1-1/4 in. receiver 3-1/4 in. drop & 2-3/4 in. rise 3/4 in. ball hole Use 1/2 in. hitch pin or lock Black powder coated finish