Designed for utility, horse/livestock, cargo, and construction trailer applications, BULLDOG® Collar-Lok are the strongest in the industry. The BULLDOG® design features th eonly automatic and continuously tight ball fit in the industry. A variety of coupler styles, tongue mounts, and latches allow configurations to match virtually any trailer. Adjustable couplers assure level operation for trailers when pulled by a variety of different vehicles.• Type: Class IV A-Frame Tongue• Lift Capacity (LB): 7000 Pounds• Ball Size (IN): 2 Inch• Latch Type: Low Profile• Color: Gray• Material: Steel Hinged ball socket for easy hook up. Clear, visual indication of proper closure. Low-Profile Latch | Fulton Bulldog Collar-Lok A-Frame Coupler, 7,000 lbs Capacity