Designed for utility, horse/livestock, cargo, and construction trailer applications, BULLDOG Collar-Lok Heavy Duty Couplers are the strongest in the industry. The BULLDOG design features the only 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.• Type: Class III A-Frame Tongue• Lift Capacity (LB): 5000 Pounds• Ball Size (IN): 2 Inch• Latch Type: Low Profile• Color: Black• 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, 5,000 lb. Capacity