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. The new designed dual hitch extension receiver can provide an extra room to tow and carry a bike rack or cargo carrier simultaneously. Vehicles that have spare tire in the back may not fit. Please check the dimension for clearance. Capacity can be rated up to 7,500 lbs GTW and 400 lbs Tongue Weight; 6-1/4" and 2-1/4" inches rise or drop can fit more different sizes of accessories; 2 pin holes design allows adjustable length to fit different kinds of receivers; Anti-rattle design helps eliminate the rattle,noise,movement and rocking; Matte Black powder finish, not only has an astounding looking, but also enhanced corrosion resistance. TOPTOW dual hitch extension, your right choice to buy.