TRAILER HITCH LOCK - Patented 5/8" Locking Receiver Pin for Class V Hitches - Weatherproof Anti-Theft Lockable Pin with Dust, Mud & Gunk Protection - Used to Tow Truck, Boat, Bike SUPPORT A SMALL FAMILY CO. - Buy From a Father/Son Business in California & Receive a Lifetime Warranty! ANTI-THEFT HITCH PIN - Solid Forged Steel Ensures Protection to Your Trailer & Hitch From Theft COMMON HITCH SIZES - Our Unique Trailer Hitch Lock Fits all Class III, IV, V Hitches (2.5" x 2.5") With Ease. NOTE: Will not work with newer 3" hitches. PATENTED DESIGN - Newly Added Weatherproof Slide Cap Protects From Dirt, Mud & Gunk GUARANTEED 5-STAR EXPERIENCE - If you aren't 100% Satisfied With Your Hitch Pin for any Reason, We'll Refund your Money! Delivery Estimate: 3-5 Business Days FREE Shipping on Orders Over $75 Rhino USA is a small, family business founded by a father and his two sons from Temecula, CA. Whatever adventure you choose, the Rhino Team is 100% committed to help you blaze your own trail with confidence. Remember that all of our products come with a lifetime warranty, and we offer best in class customer service. Give us a call at (800) 575-7310 or send an email to support@rhinousainc.com if you have any questions or concerns. We’re happy to help!