The CURT Manufacturing 23518 Trailer Hitch Lock Receiver Pin is a durable and secure lock designed specifically for trailer hitches. Made of steel and featuring a 2-inch diameter and height, this black lock is key-operated for easy access. With a cable length of 1.88 inches, this lock provides peace of mind for your trailer while on the road. Ideal for any trailer owner looking to safeguard their belongings, this lock is a reliable accessory for your towing needs.