The Brophy KA3X A-Frame Coupler has a quick-locking handle with an underjaw design. The trigger mechanism quickly clamps or releases the ball for fast and easy hook-up. The KA3X model is made to fit an A-Frame bar connector on one end and a 2-5/16" ball head on the other. It has a 12,000 lb. max towing capacity, and this version comes in a black finish.