The Post Lock Single Pin (Square 3″ x 3″) With short spring lock is a heavy-duty locking component engineered for superior strength and reliability in car hauler and trailer applications. Built from high-quality American steel, this post lock ensures a secure and stable connection for trailer posts and ramps, reducing movement and maintaining safety during loading and transport.
Proudly Made in the USA, it’s precision-machined to fit 3″ x 3″ square posts, providing long-lasting performance and consistent locking power. Designed for professional car haulers, towing operators, and transport specialists who demand durability and dependability from every component.
 
								



