The CURT SecureLatch Receiver-Mount Pintle Hook pintle hook makes coupling to your trailer virtually automatic with its innovative auto-locking technology. The auto-lock latches the lunette ring onto the hook without any manual coupling required. Strike the integrated back plate, drop the lunette ring down onto the hook and you're ready to tow -- just insert the secondary safety pin. This SecureLatch pintle hook also has a unique, cupped design to hold the lunette ring more tightly, greatly reducing chucking noises common in pintle towing. This pintle hook is rated for 14,000 lb. gross trailer weight and fits any industry-standard 2 in. receiver. Made from durable cast-iron construction.