---
product_id: 597321421
title: "RETRUE Trailer Tongue Coupler Lock, Trailer Hitch Lock,Dia 1/4 Inch, 3/4 Inch Span for Tow Boat RV Truck Car's Coupler (1 Pack, Black)"
brand: "retrue"
price: "€ 50.64"
currency: EUR
in_stock: true
url: https://www.desertcart.com.cy/products/597321421-retrue-trailer-tongue-coupler-lock-trailer-hitch-lock-dia-1
store_origin: CY
region: Cyprus
---

# 1/4-inch diameter pin for universal fit Simple 1/4-turn lock activation High-strength zinc alloy resists corrosion RETRUE Trailer Tongue Coupler Lock, Trailer Hitch Lock,Dia 1/4 Inch, 3/4 Inch Span for Tow Boat RV Truck Car's Coupler (1 Pack, Black)

**Brand:** retrue
**Price:** € 50.64
**Availability:** ✅ In Stock

## Summary

> 🔐 Lock it down, stand out—security that means business.

## Quick Answers

- **What is this?** RETRUE Trailer Tongue Coupler Lock, Trailer Hitch Lock,Dia 1/4 Inch, 3/4 Inch Span for Tow Boat RV Truck Car's Coupler (1 Pack, Black) by retrue
- **How much does it cost?** € 50.64 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/597321421-retrue-trailer-tongue-coupler-lock-trailer-hitch-lock-dia-1)

## Best For

- retrue enthusiasts

## Why This Product

- Trusted retrue brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Steel-Strong Security:** Crafted from high-strength steel to deter theft and protect your investment 24/7.
- • **Bonus Convenience Keys:** Includes 2 keys so you’re never locked out, plus responsive 24/7 customer support for peace of mind.
- • **Universal Fit, Zero Hassle:** Fits latch-type couplers up to 3/4 inch span—perfect for boats, RVs, trucks, and cars.
- • **Effortless Locking Mechanism:** Spin the flat key 5-7 times for quick, reliable locking and unlocking—no fumbling required.
- • **Built to Withstand the Elements:** Durable black electrophoretic paint and zinc plating ensure long-lasting corrosion resistance.

## Overview

The RETRUE Trailer Tongue Coupler Lock offers a universal 1/4-inch diameter pin with a 3/4-inch span, engineered from high-strength zinc alloy and steel for superior corrosion resistance and theft deterrence. Featuring a sleek black electrophoretic finish and a user-friendly 1/4-turn lock mechanism, it’s designed for seamless security on trailers, boats, RVs, trucks, and cars. Comes with 2 keys and backed by responsive customer support, making it the smart choice for professionals who demand reliable, hassle-free trailer protection.

## Description

Retrue Trailer Hitch Coupler Locking Pin Design：1/4 Inch diameter tongue lock pin with effective length 3/4 Inch. Small size for easy carrying. Keeping the coupler lock in your pocket or vehicle anywhere that is fine. Please verify dimension and length of the pin you want before purchasing our coupler hitch lock pin. How To Operate Our Trailer Tongue Coupler Lock: Spinning the flat key 5-7 times to open or close the hitch lock. Security Of Our Coupler Locking Pin: This trailer lock is made of high-strength steel to deter theft. The hitch lock is coated with black electrophoretic paint to prevent corrosion. Coupler Locking Hitch Pin's Application: Tow Trailer Boat RV Truck Car Retrue, a reliable brand in Hitch Sercurity Industry, we offer 30-day money-back for any reason, 12-month warranty for quality-related issues.

## Features

- Universal Fit Coupler Lock. With a 1/4-inch diameter pin and has a padlock-style design, this trailer coupler lock fits latch-type couplers with a maximum span of up to 3/4 inches
- Reliable Strength. This trailer pin lock is made of high-strength zinc alloy and protected from the elements with its black painted finish, while the coupler pin is shielded against corrosion with a durable zinc plating, enhance the the life of coupler lock and the security
- Highly Security. To help protect your trailer away from theft, this trailer lock is made from high-strength steel and has a padlock-style design
- Easy to use. This padlock-style trailer tongue lock has a heavy-duty look to deter theft. Uses a simple 1/4-turn lock activation for convenient locking and unlocking, Simply spin the flat key 5-7 times to open or close our hitch locking pin
- 2 Keys Included for Your Convenience. 2 keys comes in the package. If you encounter any problems, please feel free to contact us through the "Ask a Question" button. We are always happy to help and are committed to providing a responsive solution 24/7

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | RETRUE |
| Special Feature | Weather Resistant |
| Lock Type | Cylindrical |
| Item dimensions L x W x H | 50 x 28 x 50 Millimeters |
| Material | Alloy Steel |
| Recommended Uses For Product | Securing trailers to vehicles (Trailer towing and parking) |
| Style | Trailer Tongue Coupler Lock |
| Colour | Black |
| Included Components | 1 X Trailer Tongue Coupler Lock, 2 x Keys |
| Item Weight | 0.36 Pounds |
| Control Method | Touch |
| Model Name | Trailer Tongue Coupler Lock |
| Manufacturer | RETRUE |
| Product Dimensions | 4.98 x 2.79 x 4.98 cm; 163.29 g |
| Item model number | RTL200 |
| Manufacturer Part Number | RTL200B |
| Assembly Required | No |
| Special Features | Weather Resistant |
| Country of Origin | USA |
| Item Weight | 163 g |

## Product Details

- **Brand:** RETRUE
- **Special Feature:** Weather Resistant
- **Lock Type:** Cylindrical
- **Item dimensions L x W x H:** 50 x 28 x 50 Millimeters
- **Material:** Alloy Steel

## Images

![RETRUE Trailer Tongue Coupler Lock, Trailer Hitch Lock,Dia 1/4 Inch, 3/4 Inch Span for Tow Boat RV Truck Car's Coupler (1 Pack, Black) - Image 1](https://m.media-amazon.com/images/I/71w7aMoFTUL.jpg)

## Available Options

This product comes in different **Colour, Size** options.

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**Shop now:** [https://www.desertcart.com.cy/products/597321421-retrue-trailer-tongue-coupler-lock-trailer-hitch-lock-dia-1](https://www.desertcart.com.cy/products/597321421-retrue-trailer-tongue-coupler-lock-trailer-hitch-lock-dia-1)

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*Product available on Desertcart Cyprus*
*Store origin: CY*
*Last updated: 2026-01-24*