Anti-Theft Hitch Receiver Pin Lock with One Locking System Car Dumbbell Trailer Locks Extra Long Heavy Duty 10 Anti Rattle Rings Feature: 1. Versatile Compatibility: This trailer hitch lock pin set is recommended for use with all 1-1/4", 2" trailer hitches, and 2-1/2" trailer receiver locks. It also fits most trucks with heavy-duty trailer packages, thanks to the 3-1/2" extended shaft on the trailer lock. 2. Extra-Long Locking Pins: Each trailer hitch locking pin set includes two locking trailer hitch pins - one 1/2" and one 5/8" - along with a safety clip. Additionally, each trailer hitch lock pin comes with two keys (one for use and one as a spare) and a rubber key slot cover for added convenience. 3. Multipurpose Usage: This universal tow receiver lock can also be used as a bike rack hitch lock. Before making a purchase, please verify the dimensions of your hitch to ensure a perfect fit. The innovative design of these towing hitch lock pins includes an extra security clip and hole on each lock pin for towing purposes in case the lock system is lost or damaged. 4. Secure and Perfect Fit: The anti-theft hitch receiver pin lock for trailer hitches come with ten silicone O-rings, ensuring a snug and secure fit. The extra-long hitch receiver lock is suitable for all I, II, III, IV, and V-grade receivers. 5. Easy-to-Use Locking System: This towing hitch receiver lock is designed for convenience and ease of use. It is compatible with 2" receivers and more, using push-lock technology for effortless installation. Unlocking the hitch lock pin is as simple as a quarter-turn of the key, making it a user-friendly solution. Specification: Origin: Mainland China Item Type: Trailer Couplings & Accessories Material Type: Zinc Alloy Color: Black Product Size: 75.00x45.00x25.00mm/2.95x1.77x0.98inch Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. 1 x Dumbbell Type Trailer Lock 1/2 And 5/8inch 10pcs x Rubber Ring 1 x R-Pin 2pcs x Key _x000D_