The BulletProof Hitches Medium Duty Coupler Lock offers reliable, cost-effective protection against trailer theft. Designed with a hardened steel locking bar and a pick-resistant lock cylinder, it delivers dependable security for everyday towing and storage needs. Detailed Information: Compatible Coupler Sizes 1-7/8", 2", 2-5/16" Locking Bar Diameter 1/2" solid hardened steel Security Type Pick-resistant lock cylinder Finish Corrosion-resistant coating Keys Included 2 keys Brand BulletProof Hitches Part Number MDCOUPLERLOCK Fitting: Universal fit for standard trailer couplers sized 1-7/8", 2", and 2-5/16". Suitable for most utility, equipment, and cargo trailers. Features: Medium Duty Protection: Ideal balance of security and affordability. Hardened Steel Bar: 1/2" solid steel helps resist cutting and prying. Pick-Resistant Lock: Adds protection against tampering. Universal Compatibility: Fits all common trailer coupler sizes. Durable Finish: Designed for outdoor and road exposure. Two Keys Included: Backup key provided for convenience. Product Overview: The BulletProof Hitches Medium Duty Coupler Lock is a dependable solution for securing your trailer without overcomplicating things. With universal fitment, hardened steel construction, and a pick-resistant lock, it offers solid protection for everyday towing and storage situations.