RETRUE Trailer Coupler Lock｜Adjustable Heavy Duty Lock

Universal Multi-Size Fit:
This adjustable trailer coupler lock fits common coupler sizes, giving flexible protection for utility trailers, cargo trailers, camper trailers, and work trailers. It works as a practical universal trailer lock for owners with multiple towing setups.

Heavy-Duty Coupler Security:
The lock helps block the coupler and prevent unauthorized connection to a tow vehicle. It provides dependable anti theft trailer lock protection for driveways, storage yards, campsites, marinas, and jobsites.

Built for Multiple Trailers:
Designed for outdoor storage and travel use, this lock supports equipment trailers and everyday hauling setups. It also works as a reliable boat trailer lock for marina parking.

Durable Outdoor Protection:
Built for long-term use, this trailer coupler lock helps resist tampering and unwanted towing. It also fits trailer hitch lock, trailer tongue lock, tow hitch lock, RV trailer lock, and heavy duty trailer lock needs.

Coupler Compatibility

Fits 1-7/8" trailer couplers
Fits 2" trailer couplers
Fits 2-5/16" trailer couplers
Not compatible with:
Gooseneck couplers
Fifth-wheel systems
Specialty oversized couplers
Always measure your coupler before purchase.

Applications
Recommended for:
Travel trailers
Boat trailers
Utility trailers
RV campers
Equipment trailers
Provides effective theft deterrence when parked at home, campsites, or storage facilities.

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.

Materials: A36 Structural Steel U-Bolt + High-Grade Aluminum Body

Compatibility: Universal fit for 1-7/8", 2", and 2-5/16" Couplers

Adjustability: 11-Position Ratcheting Design

Keys: 2 Heavy-Duty Reinforced Keys Included

Finish: Non-slip, Anti-Corrosive Powder Coat