The Seachoice Locking Pin is designed to fit 2 in. and 3 in. couplers, making it a versatile choice for securing your trailer or boat. Manufactured by Seachoice/Land&Sea Inc., this universal trailer coupler pin lock is crafted from durable plastic with a smooth finish, ensuring reliable performance and resistance to the elements. The locking pin is ideal for use with a variety of vehicles, including cars and boat trailers, and its universal fitment type means it can be used with most standard couplers. The compact size and lightweight design make it easy to handle and store when not in use. This lock pin helps prevent accidental uncoupling and provides peace of mind when towing or storing your trailer. Whether you need a trailer coupler lock pin for everyday use or for added security during travel, this product offers a simple and effective solution. Easy to install and remove, the Seachoice Locking Pin is a practical addition to your trailer accessories, ensuring your coupler stays securely locked in place.