---
product_id: 282745020
title: "Trimax UMAX100 Premium Universal Dual Purpose Coupler Lock, Black"
brand: "trimax"
price: "Bs.5560"
currency: BOB
in_stock: true
reviews_count: 5
category: "Trimax"
url: https://www.desertcart.bo/products/282745020-trimax-umax100-premium-universal-dual-purpose-coupler-lock-black
store_origin: BO
region: Bolivia
---

# 360° hardened steel protection Fits all coupler sizes 1-7/8" to 2-5/16" Ballistic nylon housing absorbs hammer blows Trimax UMAX100 Premium Universal Dual Purpose Coupler Lock, Black

**Brand:** trimax
**Price:** Bs.5560
**Availability:** ✅ In Stock

## Summary

> 🔐 Lock it down, stand out — ultimate trailer security made simple.

## Quick Answers

- **What is this?** Trimax UMAX100 Premium Universal Dual Purpose Coupler Lock, Black by trimax
- **How much does it cost?** Bs.5560 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.bo](https://www.desertcart.bo/products/282745020-trimax-umax100-premium-universal-dual-purpose-coupler-lock-black)

## Best For

- trimax enthusiasts

## Why This Product

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

## Key Features

- • **Sleek Yet Rugged Design:** Polished black finish with a sliding keyhole cover keeps dirt out while looking sharp on your trailer.
- • **Unmatched 360° Security:** Hardened steel lock guards your trailer from every angle, deterring even the most determined thieves.
- • **Universal Fit, Zero Hassle:** One size covers all major coupler types from 1-7/8" to 2-5/16", making installation effortless and versatile.
- • **Built to Withstand Brutality:** Ballistic-grade nylon housing and a 6-tooth dual ratchet locking system absorb impacts and resist tampering.
- • **Insurance-Approved Peace of Mind:** Meets stringent insurer standards, ensuring your valuable assets are protected and your coverage intact.

## Overview

The Trimax UMAX100 Premium Universal Dual Purpose Coupler Lock delivers robust 360-degree protection with hardened steel construction and a 6-tooth dual ratchet system. Designed to fit all common coupler sizes (1-7/8" to 2-5/16"), it features a ballistic nylon housing that absorbs hammer blows and a sliding keyhole cover to keep grime out. Insurance-approved and easy to install, this 6-pound lock offers professional-grade security for trailers, campers, and boats, ensuring your investment stays safe wherever you park.

## Description

The Trimax UMAX100 coupler lock features an exclusive design that provides 360 degrees of hardened steel protection for your unattended trailer. It provides instant security for your camper, boat, or trailer when they are not hooked up to your vehicle. This lock features a huge 6-tooth, 3/8" dual ratchet locking system, a hardened 5/8" 16mm steel shackle, and 1/2-turn technology that cannot be false locked. For dual force security, add a Trimax chain or cable secured to an anchor point. Also, add a Trimax coupler lever lock for additional protection. This lock is easy to install--simply slide the ball up into coupler and replace the U-shackle. The UMAX100 fits all of the following couplers and more: 1-7/8" or 2" Fulton, Atwood 2", UFP, Bulldog, 2-5/16" couplers, Fulton Heavy Duty, Surge Brake (reverse mount). Tested to be tough..

Review: Hardened steel shafts wouldn't be easy to cut, and a thief would need to cut both shafts to remove the device from the hitch. Insurance company approved which is the important thing to consider, cheap units generally are not approved by insurers as a legitimate tow hitch security device. Be mindful when buying a hitch lock that there is little point of skimping on a cheap hitch lock to secure a significantly priced asset! I do not see the point!
Review: Easy to put on and feels heavy duty, would take a lot to saw through and to big for bolt cutters!

## Features

- Crafted from the highest quality material
- Perfect for outdoor and even indoor use
- Made in China
- One size fits all (from 1-7/8", 2", to 2-5/16", all coupler types)
- Key hole cover slides up to seal out dirt and grime.Attractive ballistic grade nylon housing absorbs hammer blows and protects anst weather.Type A key which is a spring loaded, 7 pin, high security key. Resists attempted drill outs. Rugged and durable, the key will not bend or break..Weighs 6 pounds

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000OC3Q2I |
| ASIN  | B000OC3Q2I |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #135,353 in Automotive ( See Top 100 in Automotive ) #61 in Automotive Hitch Locks |
| Color | Black |
| Customer Reviews | 4.4 4.4 out of 5 stars (3,100) |
| Customer reviews | 4.4 4.4 out of 5 stars (3,100) |
| Date First Available | 21 September 2023 |
| Date First Available  | 21 September 2023 |
| Department  | unisex-adult |
| Finish | Polished |
| Included components | Parts |
| Is Discontinued By Manufacturer  | No |
| Item Package Quantity | 1 |
| Item Weight | 2.13 Kilograms |
| Item model number | UMAX100 |
| Item model number  | UMAX100 |
| Manufacturer | Trimax Locks - Wyers Products |
| Manufacturer  | Trimax Locks - Wyers Products |
| Material | Synthetic |
| Number Of Pieces | 1 |
| Part number | UMAX100 |
| Product Dimensions | 43.18 x 33.02 x 33.02 cm; 2.13 kg |
| Product Dimensions  | 43.18 x 33.02 x 33.02 cm; 2.13 kg |
| Shape | Round |
| Size | One Size |
| Special Features | Keyless |
| Style | Universal Coupler Lock Hardened-Steel |

## Product Details

- **Brand:** Trimax
- **Item dimensions L x W x H:** 43.2 x 33 x 33 centimeters
- **Lock type:** Key Lock
- **Material:** Synthetic
- **Special features:** Keyless

## Images

![Trimax UMAX100 Premium Universal Dual Purpose Coupler Lock, Black - Image 1](https://m.media-amazon.com/images/I/71UwLbTSF3L.jpg)
![Trimax UMAX100 Premium Universal Dual Purpose Coupler Lock, Black - Image 2](https://m.media-amazon.com/images/I/71YRDe5-Q7L.jpg)
![Trimax UMAX100 Premium Universal Dual Purpose Coupler Lock, Black - Image 3](https://m.media-amazon.com/images/I/71mXr2AemXL.jpg)
![Trimax UMAX100 Premium Universal Dual Purpose Coupler Lock, Black - Image 4](https://m.media-amazon.com/images/I/71jJ3AbWWoL.jpg)
![Trimax UMAX100 Premium Universal Dual Purpose Coupler Lock, Black - Image 5](https://m.media-amazon.com/images/I/81d5a2NrLUL.jpg)

## Available Options

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

## Questions & Answers

**Q: I bought this lock and needed to cut the shackle as my keys were at another job and I needed to use trailer it was on.**
A: Who is to say that you actually have this problem, you could be looking for a method to take a trailer that does not belong to you. I will not comment--just call a locksmith and prove that you own the trailer.

**Q: How does it unlock?**
A: There is a key. When you turn the key the whole base slides straight  down and off.

**Q: What is the difference between this and the umax50? does anyone know?**
A: i kinda screwed up my locking system on the umax 50 trying to turn the key with ice in the lock. the key pulled out without it being lined up properly. im gonna buy the umax100 because it looks like its protected from the elements better. on the umax 50 all i did was drill the hole out with a titanium drill bit and gave it a few whacks with a mallet and it came right off. i am in no way an experienced theif, just watched a few youtube video because i didnt feel like paying a lock smith and I couldnt pick it on the first few tries. im sure its more of a visual deterrent, but I'm going to upgrade to this model.

**Q: I need two locks keyed alike. How do I go about ordering them like this?**
A: Amazon has them......

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by B***S on 10 April 2019*

Hardened steel shafts wouldn't be easy to cut, and a thief would need to cut both shafts to remove the device from the hitch. Insurance company approved which is the important thing to consider, cheap units generally are not approved by insurers as a legitimate tow hitch security device. Be mindful when buying a hitch lock that there is little point of skimping on a cheap hitch lock to secure a significantly priced asset! I do not see the point!

### ⭐⭐⭐⭐⭐ Review
*by H***N on 9 April 2025*

Easy to put on and feels heavy duty, would take a lot to saw through and to big for bolt cutters!

### ⭐⭐⭐⭐⭐ Review
*by C***N on 5 February 2026*

Great heavy duty trailer lock!

## Frequently Bought Together

- Trimax UMAX100 Premium Universal Dual Purpose Coupler Lock , Black
- Trimax TCL65 Wheel Chock Lock , Yellow/Red, 7.25in
- MAXXHAUL 70472 Solid Rubber Heavy Duty Black Wheel Chock 2-Pack, 8" x 4" x 6"

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*Product available on Desertcart Bolivia*
*Store origin: BO*
*Last updated: 2026-03-17*