Reese Towpower Security Kit with Case: * 3-1/4" drop interlock draw bar * 2" interlock draw bar * 5/8" receiver lock * Box opening is 2" x 2" * Hitch ball hole size is 2" * Rise: 2" * Length: 9-1/2" * Weight capacity: 500 lb tongue weight; 5,000 lb gross towing weight * Model# 7005200