New, never used, the set features 1 receiver lock with a swivel head, 2 pins of 1/2" and 5/8", and 2 keys. The set is moisture and dirt resistant. It is ideal for transportation and camping. Keyed alike receiver lock and stainless steel coupler latch lock Receiver lock fits both 1/2 in (13 mm) and 5/8 in (16 mm) receivers Push to lock locking mechanism - push lock body onto pin firmly and remove key Weather Tough® seal and water tight cap protects lock from moisture and dirt Stainless steel adjustable coupler latch lock; locks from 9/16 in (14 mm) to 2-3/4 in (7 mm) K1 key blank