Connor Towing 1621200- Class I 1-1/4" Ball Mount: GTW-2000 lb. Fits Class I 1-1/4 in. x 1-1/4 in. receiver 7-1/4" Length 6 in. drop & 5-3/8 in. rise 3/4 in. ball hole Use 1/2 in. hitch pin or lock