RETRUE Trailer Hitch Coupler Lock — Universal 1-7/8, 2, 2-5/16 Grey & Silver, Heavy-Duty Weatherproof

RETRUE's Universal Trailer Hitch Coupler Lock is a heavy-duty, adjustable lock designed to secure 1-7/8", 2" and 2-5/16" trailer couplers with rustproof, cut-resistant construction and an upgraded cylinder.

Keep your trailer or tow equipment protected whether parked at home, at a job site, or in transit. This adjustable coupler lock uses a robust U-shaped steel shank and an aluminum-reinforced body to resist prying, cutting, and weather-related corrosion. The lock's 11-position range and reinforced cylinder deliver a practical combination of fit flexibility and tamper-resistance so you can match the lock to common coupler sizes without adapters.

How does the lock fit different coupler sizes?

The RETRUE design offers an adjustable span with 11 distinct locking positions so the same unit adapts to standard trailer ball couplers. You can secure 1-7/8", 2", and 2-5/16" couplers by setting the shank to the corresponding position and locking it in place. This eliminates the need to purchase separate locks for different trailers.

• 11 locking positions for fine length adjustment
• Fits 1-7/8", 2" and 2-5/16" coupler diameters
• Single unit covers many common trailer types

How tough is the construction against theft and weather?

Materials and build quality focus on resisting physical attacks and environmental damage. The body mixes corrosion-resistant aluminum with high-strength A36 steel components, while the U-shaped pipe is widened and thickened for improved resistance to cutting and bending. The finish and materials are selected to withstand rain, salt, and routine outdoor exposure without rapid deterioration.

• Aluminum body paired with A36 steel for strength and rust-resistance
• Thicker, wider U-shaped steel shank to resist cutting and leverage
• Weatherproof finish to limit corrosion and maintain function

What makes the lock cylinder and keys more secure?

The cylinder has been upgraded to a more complex mechanism to make forced entry more difficult and to increase key longevity. Keys themselves are thicker to resist bending and wear. Together these improvements reduce the chance of breakage and help the lock remain functional after repeated use and exposure to outdoor conditions.

• Enhanced lock mechanism for improved pick and shear resistance
• Thicker, durable keys reduce breakage and wear
• Precision keying for smooth operation in varied weather

What after-sale support and warranty does RETRUE provide?

RETRUE backs this coupler lock with a 120-day warranty and offers responsive customer support around the clock. If you encounter any manufacturing defects or functional problems, you can contact support via the product's "Ask a Question" button to initiate help or replacement. The policy is intended to give buyers confidence in the purchase and prompt assistance if needed.

• 120-day warranty on workmanship and materials
• 24/7 customer support for troubleshooting and claims
• Easy support access through the product listing's contact option

Who is this for? This lock is suited to trailer owners, contractors, landscapers, and recreational users who need a single, durable locking solution for multiple trailer couplers. It's a practical choice when you want a weather-resistant, adjustable lock that balances convenience with improved resistance to cutting and tampering. Choose this model if you own trailers with standard coupler sizes or manage mixed fleets and prefer one reliable lock to cover several hitch types.