Retrue heavy duty universal trailer coupler ball lock RTL0018 for anti-theft security.
Universal trailer ball lock fits 1-7/8 inch, 2 inch, and 2-5/16 inch couplers for RV and boat.
High-security trailer hitch lock with tamper-resistant zinc alloy body to prevent unauthorized towing.
Corrosion-resistant trailer coupler lock for long-term outdoor protection of campers and utility trailers.
Dimensions of Retrue RTL0018 coupler ball lock showing universal fitment for towing systems.
Step-by-step guide to installing the Retrue trailer ball lock for maximum hitch security.
Retrue coupler ball lock installed on a boat trailer for peace of mind during storage.

RETRUE High-Visibility Yellow Trailer Hitch Coupler Lock - Fits 1-7/8", 2", 2-5/16" Couplers - Anti-Theft Protection

Experience Unmatched Stability & Towing Control Protecting your investment shouldn’t feel like a gamble. The Retrue Heavy Duty Trailer Coupler Ball Lock is a professional-grade anti-theft security solution engineered to modernize...

$18.99 USD $11.99 USD SAVE 37%
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DESCRIPTION

[UNMATCHED UNIVERSAL COMPATIBILITY] Stop guessing if it fits. The RETRUE trailer coupler lock features an innovative 11-position adjustable ratcheting design, providing a precision snug fit for 1-7/8", 2", and 2-5/16" couplers. It is the perfect all-in-one security solution for RVs, boats, utility trailers, and car haulers.

[UPGRADED VISUAL DETERRENT] Theft prevention starts with visibility. Our upgraded High-Deterrent Yellow finish is designed to be seen from a distance, warning potential thieves to move on. The revamped, lightweight, and flat profile ensures easy handling without compromising a single ounce of safety.

[INDUSTRIAL-GRADE A36 STEEL STRENGTH] Built like a tank for the toughest environments. Constructed with a high-strength A36 structural steel U-bolt and a solid aluminum body, this lock offers extreme resistance to bolt cutters, prying, and shearing. It’s the rugged protection your heavy-duty truck deserves.

[ENHANCED ANTI-PICK LOCK CYLINDER] We’ve fortified the core with a more complex internal locking mechanism and extra-thick, snap-resistant keys. This advanced design is virtually impenetrable to picking and drilling, ensuring your valuable cargo stays exactly where you left it.

[RUSTPROOF & QC CERTIFIED RELIABILITY] Designed for the American outdoors. This lock is 100% rustproof and weatherproof, ensuring smooth operation in freezing snow or coastal salt air. Backed by a 120-day warranty and 24/7 responsive customer support to keep you hauling with confidence.

SHIPPING & RETURNS

Shipping:
We ship our products primarily through USPS/UPS. All items will be shipped within 72 business hours upon receipt of payment (except Saturday and Sunday). Orders placed on weekend will be shipped within 4 days.

Returns:
Items purchased from RETRUE may be returned in original unused condition within 30 days from the date of purchase for a refund, to the original form of payment. All returns must be pre-approved by RETRUE. Otherwise, unauthorized returns will not be accepted.

Technical Specifications

Elite Protection for Your Most Valuable Cargo
For the American truck owner, a trailer represents more than just a load—it’s an investment in your lifestyle or your business. Whether you are at a remote campsite, a busy boat ramp, or a construction site, the RETRUE Heavy-Duty Universal Trailer Lock provides the peace of mind you need.

Precision Fit with 11 Ratcheting Positions
Generic locks often leave "slop" or gaps that thieves can exploit with crowbars. RETRUE’s 11-position ratcheting system allows you to tighten the lock specifically to your coupler’s depth. This eliminates leverage points, making the lock nearly impossible to bypass, fitting all standard Class III, IV, and V ball couplers.

Forged Strength: A36 Steel Construction
We utilize high-strength A36 steel—the same grade trusted in industrial construction—to form the core of our U-bolt. This ensures maximum resistance against high-impact cutting tools. Paired with our upgraded, pick-resistant cylinder and thicker ergonomic keys, you are getting the toughest security in a sleek, modern package.

Reliable All-Weather Performance
Towing gear takes a beating from road salt, mud, and rain. The RETRUE lock is built to endure. Its advanced powder coating prevents oxidation and rust, ensuring the mechanism turns smoothly even after months of outdoor storage. Every lock is QC Certified to meet the highest industry standards for towing safety.

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