Introductions: 5/8'' Hitch Pin and 1/4'' Trailer Coupler Locks with rubber caps can prevent it from water and dirt and keep the lock rust-free. It is easy to install, no drilling required.It fits for 5/8'' diameter receiver lock. It can save time and avoid fumbling with keys. Patented design engineered to increase durability and strength. It includes 4 keys and an all-weather rubber key slot cap. Single key lock design makes it simple to unlock and lock. It is perfect hitch accessory and easy to use.Features: 1. High quality and durable 2. This straight hitch pin lock will securely and reliably attach your tow ball mount to your tow bar 3. It has a dust and weather-proof cover and a convenient straight design for easier access 4. Able to fit all common hitch receivers, and works to help prevent the theft of your towing hitch 5. Safe. It will keep your vehicle and trailer connected. Covered key slot prevents dust and corrosion in the lock mechanism Specifications: 1. Material: Steel 2. Shank Length: 68mm 3. Shank Diameter: 5/8" / 16mm 4. Overall Length: 5.91" / 150mm 5. Overall Diameter: 1.18" / 30mm 6. Color: Silver Note: Both locks are not keyed alike, each lock has its own pair of keyed alike keys.Package Includes: 2 x Hitch Pins 4 x Keys Return Policy All of our items come with a 30-day free return policy. If you need to return, please contact us, let us know the detailed problem and send us some pictures for confirmation. We reserve the right to refuse any returns for objective reasons. Shipping Policy All of our items are shipped free with tracking numbers. Orders will be shipped within 3 working days upon receipt of payment. Most orders will be shipped within 1 working day. In most cases, shipping takes 8-12 working days.