Heavy Duty Trailer Hitch Locks Fits 2-5/16" Bulldog or Ram Couplers, Upgraded Anti Theft Trailer Tongue Lock, Steel Trailer Lock for RV Camper Trailer Truck Pickup and Boats

Only Fit 2-5/16" Bulldog or Ram Couplers: Please check the coupler size because this lock ONLY fit 2-5/16" bulldog or ram coupler. Heavy-Duty Protection: Made of premium durable &steely harden alloy steel, the trailer hitch locks has extremely high strength and toughness, protecting your trailer from theft. With 18,000 pounds load-bearing capacity, the interior is carefully constructed and can hold the ball firmly without deformation. Weather-Resistant Trailer Lock: Anti-corrosion and rust-proof, the trailer coupler lock uses advanced premium surface coating material, ensuring safety from different weather and environment conditions. Whether it is hammered, fired or low temperature, the trailer coupler lock will not fail to work. Upgraded Puck Lock: The hitch lock with keys features an upgraded and advanced brass core lack, which is made of anti-corrosive and long-time using material. The automatic pop-up design, you can rotate the key to pull it out after popping up，which greatly improves the efficiency of unlocking.