Connor Towing 1621130- Class I 1-1/4" Ball Mount: GTW-2000 lb. Fits Class I 1-1/4 in. x 1-1/4 in. receiver 1-1/4 in. drop & 5/8 in. rise 3/4 in. ball hole Use 1/2 in. hitch pin or lock Black powder coated finish