TOPTOW is branded trailering ang towing accessories supplier. We makes quality products for RV, towing, tailgating, off-road recoverying and trailering like ball hitches, drop hitches, hitch extenders, hitch adapters, RV bumper hitches, trailer coupler locks, hitch locks, hitch pins, cargo carriers, bike racks, etc. TOPTOW adjustable trailer hitch ball mounts assembled with dual ball attachment is highly versatile. The channel style shank also features multiple mounting holes for varying ball heights. You can adjust the hitch ball heights up to 6-1/2 inch drop or rise. The adjustable channel shank is also designed with 2 pin holes and are able to have 2 active length to avoid any interfere with the vehicle bumper. It is 11-5/8" and 13-1/8" length from the center of the hitch ball to the center of the pin hole. This adjustable drop hitch comes with a dual ball attachment. The 2-inch trailer ball is rated for capacity of 10,000 lbs., and the 2-5/16-inch trailer ball for 14,000 lbs. Package also come with 2 pieces of 3.5" usable length of trailer hitch lock and 1 piece of 3" hitch receiver lock.