RETRUE 4-piece keyed alike trailer lock set with universal coupler lock, tongue pin, and dual receiver locks
Keyed alike towing security kit - one key operates all four locks for coupler, hitch, and latch
11-position adjustable A36 structural steel trailer coupler lock for 1-7/8 inch, 2 inch, and 2-5/16 inch couplers
Rustproof heavy-duty trailer locks with upgraded anti-pick cylinder and reinforced keys
Correct and incorrect installation comparison for black trailer hitch coupler lock
Black trailer coupler lock installed on hitch showing compatibility with 1-7/8 inch 2 inch and 2-5-16 inch trailer couplers
Dual 5/8 inch and 1/2 inch trailer hitch receiver locks for Class I-V hitches
Blue trailer hitch coupler lock kit showing lock body keys bolts and accessories
Blue trailer coupler lock structure showing ball blocking anti-theft hitch design
Blue trailer coupler lock dimensions and size guide for standard trailer hitch couplers
Correct and incorrect installation comparison for blue trailer hitch coupler lock
Blue trailer coupler lock installed on hitch showing compatibility with 1-7/8 inch 2 inch and 2-5-16 inch trailer couplers
Red heavy duty trailer coupler lock kit RTL222 anti-theft hitch lock for RV boat and utility trailers
Red trailer hitch coupler lock kit showing lock body keys bolts and accessories
Red trailer coupler lock structure showing ball blocking anti-theft hitch design
Red trailer coupler lock dimensions and size guide for standard trailer hitch couplers
Correct and incorrect installation comparison for red trailer hitch coupler lock
Red trailer coupler lock installed on hitch showing compatibility with 1-7/8 inch 2 inch and 2-5-16 inch trailer couplers
Trailer coupler lock suitable for RV trailers travel trailers utility trailers and pickup truck towing applications

RETRUE 4-Piece Trailer Hitch Lock Set - Keyed Alike Universal Coupler Lock, 5/8" & 1/2" Receiver Locks, and Black Tongue Lock Pin - Heavy-Duty A36 Steel Anti-Theft Towing Security Kit

Secure your entire towing setup with the RETRUE 4-Piece Heavy-Duty Trailer Lock Kit. This comprehensive security set includes an 11-position adjustable coupler lock (fits 1-7/8", 2", and 2-5/16"), two receiver pins (5/8" and 1/2"), and a 1/4" black coupler tongue lock—all Keyed Alike for ultimate convenience. Crafted from high-strength A36 steel and rustproof aluminum, this weatherproof kit features an upgraded pick-resistant cylinder and reinforced keys. Protect your boat, RV, or utility trailer with professional-grade anti-theft protection and a 120-day warranty.

$19.99 USD
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DESCRIPTION

[TOTAL 4-PIECE SECURITY SYSTEM] Don't leave your investment vulnerable. This all-in-one kit provides 360-degree protection, including a Universal Coupler Lock, a 1/4" Black Tongue Pin, and Dual Receiver Locks (5/8" and 1/2"). One set secures your hitch, your ball mount, and your trailer coupler latch.

[ONE KEY FITS ALL - KEYED ALIKE] Eliminate "key-ring clutter." All four locks in this set share the same key, allowing you to unlock your entire towing system in seconds. Includes 4 identical high-durability keys so you always have a spare in your truck or glovebox.

[UNIVERSAL 11-POSITION ADJUSTABILITY] The heavy-duty U-bar coupler lock features 11 adjustable locking positions, ensuring a precision fit for 1-7/8", 2", and 2-5/16" couplers. Whether you are towing a jet ski, a camper, or a heavy equipment hauler, this lock snugs down tight to prevent prying.

[A36 STRUCTURAL STEEL CONSTRUCTION] Engineered for the American outdoors. Constructed with a high-strength A36 steel U-bolt and aluminum body, this set is built to resist bolt cutters and shearing. It is rustproof and weatherproof, ensuring smooth operation in rain, snow, or mud.

[UPGRADED ANTI-PICK CYLINDER] Features a complex, high-security lock cylinder with thicker, reinforced keys resistant to snapping. This anti-pick design is virtually crack-proof, providing the ultimate deterrent against theft at boat ramps, campsites, or job sites.

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

Coupler Lock: 11-Position Adjustable (Fits 1-7/8”, 2”, 2-5/16”)

Receiver Lock 1: 5/8" Diameter Pin, 2-4/5" Effective Length

Receiver Lock 2: 1/2" Diameter Pin, 2-1/5" Effective Length

Tongue Lock: 1/4" Diameter Pin, 3/4" Max Span

Material: High-Strength A36 Steel & Aluminum

Keying: All Locks Keyed Alike (4 Keys Included)

Frequently Bought Together

Total price: $83.18 $68.88
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