---
product_id: 413944241
title: "Trailer Coupler Lock Kit (2-5/16in Trailers) - Anti-Theft Steel | Heavy Duty Anti-Theft Lock for RV, Camper, Trailer, Boat & Caravan. Reinforced Solid Steel Build, Weatherproof."
price: "¥22597"
currency: JPY
in_stock: true
reviews_count: 13
url: https://www.desertcart.jp/products/413944241-trailer-coupler-lock-kit-2-5-16in-trailers-anti-theft
store_origin: JP
region: Japan
---

# Tamper-resistant steel lock Weatherproof powder coating Fits 2-5/16in couplers Trailer Coupler Lock Kit (2-5/16in Trailers) - Anti-Theft Steel | Heavy Duty Anti-Theft Lock for RV, Camper, Trailer, Boat & Caravan. Reinforced Solid Steel Build, Weatherproof.

**Price:** ¥22597
**Availability:** ✅ In Stock

## Summary

> 🔐 Lock in your trailer’s safety and never look back!

## Quick Answers

- **What is this?** Trailer Coupler Lock Kit (2-5/16in Trailers) - Anti-Theft Steel | Heavy Duty Anti-Theft Lock for RV, Camper, Trailer, Boat & Caravan. Reinforced Solid Steel Build, Weatherproof.
- **How much does it cost?** ¥22597 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/413944241-trailer-coupler-lock-kit-2-5-16in-trailers-anti-theft)

## Best For

- Customers looking for quality international products

## Why This Product

- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Unmatched Security:** Reinforced solid steel construction keeps your trailer theft-proof.
- • **Lifetime Peace of Mind:** Backed by a real lifetime replacement warranty—security that lasts forever.
- • **Perfect Fit, Zero Hassle:** Specifically designed for 2-5/16in A-frame couplers for a snug, secure lock.
- • **Weather-Defying Durability:** Heavy-duty powder coating resists rust, corrosion, and harsh elements.
- • **Support American Craftsmanship:** Join the Rhino USA family and support a trusted father-son business with top-tier customer care.

## Overview

The Rhino USA Trailer Coupler Lock Kit is a heavy-duty, tamper-resistant steel lock designed for 2-5/16in trailer couplers. Featuring a weatherproof powder-coated finish, it offers long-lasting protection against rust and corrosion. This American-made lock provides peace of mind with a lifetime replacement warranty and is ideal for securing boats, campers, and trailers from theft.

## Description

Buy Rhino USA Trailer Coupler Lock Kit (2-5/16in Trailers) - Anti-Theft Steel | Heavy Duty Anti-Theft Lock for RV, Camper, Trailer, Boat & Caravan. Reinforced Solid Steel Build, Weatherproof.: Hitch Locks - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Great lock - Very strong, great value. No worries about theft. Very durable, made to last for years. Easy maintenance. Black in color, weather has not affected it.
Review: Essential Anti-Theft Trailer Lock Kit - As a DIYer, I recently picked up the Rhino USA Trailer Hitch Coupler Lock Kit for my 2" trailer, and it's been an absolute game changer in terms of security and peace of mind. One thing I really liked about this lock kit is the robust construction. The reinforced solid steel feels incredibly durable, giving me confidence that it will hold up against potential theft attempts. The lock mechanism itself is straightforward and operates smoothly, which is a huge plus when you're in a hurry or dealing with less-than-ideal weather conditions. Installing the lock was a breeze. It fits perfectly on my trailer's hitch, and the tight fit makes it clear that it's not going anywhere. I use my trailer for various purposes, from towing my boat to hauling equipment for home projects, and knowing that it's secure when I'm not around is invaluable. The bright color of the lock is another feature I appreciate. It acts as a visual deterrent, signaling to would-be thieves that this trailer is well-protected. The peace of mind this adds is worth every penny. If I had to nitpick, the only minor downside would be the initial stiffness of the lock mechanism. However, a bit of lubricant solved this issue quickly. In essence, the Rhino USA Trailer Hitch Coupler Lock Kit has proven to be an excellent investment for keeping my trailer safe. Its solid build, ease of use, and deterrent factor make it an essential item for anyone looking to secure their trailer effectively.

## Features

- AMERICAN OWNED, FAMILY OPERATED - Join the Rhino USA Family and Support a Father/Son Business With the Best USA-Based Customer Support.
- PROTECTED FROM THE ELEMENTS - Heavy Duty Powder Coated Finish Shields Against Rust, Corrosion, and Harsh Weather, Ensuring Long-Lasting Protection for Your Trailer Hitch Coupler Lock.
- COMPATIBLE COUPLER SIZES - Fits Select 50×50, 50×60 Couplers, and 2-5/16" A-Frame Couplers. Not Compatible With Adjustable, Bulldog, Lock Trailer, 50mm, Ring/Pintle, or 1-7/8" Couplers.
- CONFIDENCE & PEACE OF MIND - Knowing your Boat, Toy Hauler, or Trailer is Securely Protected From Theft With a Durable, Tamper-Resistant Lock Designed for Maximum Security.
- REAL LIFETIME REPLACEMENT - Hitch Trailer Locks Come With a Lifetime Replacement. If you Encounter any Issues, We'll Ensure You're 100% Satisfied With a Replacement or Refund.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09J9T8NT2 |
| Best Sellers Rank | #1,339 in Automotive ( See Top 100 in Automotive ) #4 in Towing Hitch Locks |
| Color | Powder Coated Black |
| Customer Reviews | 4.4 4.4 out of 5 stars (2,424) |
| Date First Available | February 5, 2022 |
| Finish | Powder Coated |
| Item Package Quantity | 1 |
| Item Weight | 2 pounds |
| Item model number | TOW_HITCH |
| Manufacturer | Rhino USA |
| Material | Steel |
| Part Number | TOW_HITCH |
| Product Dimensions | 6 x 5 x 5 inches |
| Size | 2 5/16in |
| Warranty Description | Unlimited Lifetime Warranty |

## Product Details

- **Brand:** Rhino USA
- **Item Weight:** 2 Pounds
- **Vehicle Service Type:** Marine-Personal-Craft, Truck, Trailer
- **Material:** Alloy Steel
- **Finish Type:** Powder Coated

## Images

![Trailer Coupler Lock Kit (2-5/16in Trailers) - Anti-Theft Steel | Heavy Duty Anti-Theft Lock for RV, Camper, Trailer, Boat & Caravan. Reinforced Solid Steel Build, Weatherproof. - Image 1](https://m.media-amazon.com/images/I/71s-Ju13qkL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great lock
*by K***L on July 25, 2026*

Very strong, great value. No worries about theft. Very durable, made to last for years. Easy maintenance. Black in color, weather has not affected it.

### ⭐⭐⭐⭐⭐ Essential Anti-Theft Trailer Lock Kit
*by D***D on July 16, 2024*

As a DIYer, I recently picked up the Rhino USA Trailer Hitch Coupler Lock Kit for my 2" trailer, and it's been an absolute game changer in terms of security and peace of mind. One thing I really liked about this lock kit is the robust construction. The reinforced solid steel feels incredibly durable, giving me confidence that it will hold up against potential theft attempts. The lock mechanism itself is straightforward and operates smoothly, which is a huge plus when you're in a hurry or dealing with less-than-ideal weather conditions. Installing the lock was a breeze. It fits perfectly on my trailer's hitch, and the tight fit makes it clear that it's not going anywhere. I use my trailer for various purposes, from towing my boat to hauling equipment for home projects, and knowing that it's secure when I'm not around is invaluable. The bright color of the lock is another feature I appreciate. It acts as a visual deterrent, signaling to would-be thieves that this trailer is well-protected. The peace of mind this adds is worth every penny. If I had to nitpick, the only minor downside would be the initial stiffness of the lock mechanism. However, a bit of lubricant solved this issue quickly. In essence, the Rhino USA Trailer Hitch Coupler Lock Kit has proven to be an excellent investment for keeping my trailer safe. Its solid build, ease of use, and deterrent factor make it an essential item for anyone looking to secure their trailer effectively.

### ⭐⭐⭐⭐⭐ Great double lock system for a trailer.
*by T***G on August 12, 2026*

As a fan of Rhino products wasn't surprised this is a quality trailer lock system. Easy to use and built tough, Highly recommend,

## Frequently Bought Together

- Rhino USA Trailer Hitch Lock Kit (for 2-5/16" Trailers) Heavy Duty Anti Theft Trailer Coupler Locks for RV, Camper, Trailer, Boat, Caravan - Reinforced Solid Steel Tow Lock for Trailer Tongue
- Camco Tastepure RV Water Filter - New & Advanced RV Inline Water Filter with Flexible Hose Protector - GAC & KDF Filtration - Made in USA - Camping Essentials for Fresh Drinking Water (40043)

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**Shop now:** [https://www.desertcart.jp/products/413944241-trailer-coupler-lock-kit-2-5-16in-trailers-anti-theft](https://www.desertcart.jp/products/413944241-trailer-coupler-lock-kit-2-5-16in-trailers-anti-theft)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-08-25*