---
product_id: 200907043
title: "Bulldog Sliding Collar Coupler Lock Includes Cobra-Sidewinder puck lock- BOLT CUTTER PROOF!!!"
brand: "ft. knox locks"
price: "S$445"
currency: SGD
in_stock: true
reviews_count: 4
url: https://www.desertcart.sg/products/200907043-bulldog-sliding-collar-coupler-lock-includes-cobra-sidewinder-puck-lock
store_origin: SG
region: Singapore
---

# Bright Yellow Finish Ultra-High Security Bolt Cutter Proof Bulldog Sliding Collar Coupler Lock Includes Cobra-Sidewinder puck lock- BOLT CUTTER PROOF!!!

**Brand:** ft. knox locks
**Price:** S$445
**Availability:** ✅ In Stock

## Summary

> 🔐 Lock It Down, Live Fearlessly!

## Quick Answers

- **What is this?** Bulldog Sliding Collar Coupler Lock Includes Cobra-Sidewinder puck lock- BOLT CUTTER PROOF!!! by ft. knox locks
- **How much does it cost?** S$445 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/200907043-bulldog-sliding-collar-coupler-lock-includes-cobra-sidewinder-puck-lock)

## Best For

- ft. knox locks enthusiasts

## Why This Product

- Trusted ft. knox locks brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Vibrant Deterrent:** Bright yellow powder coat finish makes your trailer a hard target for thieves.
- • **Unmatched Security:** Engineered with 3/16" fully welded cold rolled steel for ultimate protection.
- • **User-Friendly Design:** Symmetrical key works in either direction for hassle-free access.
- • **Proudly Made in the USA:** Support a family-run business dedicated to quality and security.
- • **Cobra SideWinder Technology:** Over 250 million key combinations ensure your lock is uniquely yours.

## Overview

The Bulldog Sliding Collar Coupler Lock is a robust and reliable security solution for your trailer, featuring a bolt cutter-proof design, advanced Cobra SideWinder locking technology, and a vibrant yellow finish to deter potential thieves. Proudly made in the USA, this lock is the ultimate choice for those who prioritize safety and peace of mind.

## Description

Bulldog Sliding Collar Coupler Lock Includes Cobra-Sidewinder puck lock- BOLT CUTTER PROOF!!!

## Features

- Ultra-High Security Coupler/Hitch Trailer Lock: This strong and straightforward trailer coupler/hitch lock is designed to secure the Bulldog sliding collar coupler.
- Heavy Duty/Ultra-High Security: This no-nonsense coupler lock is constructed of 3/16" fully welded cold rolled steel, with welded hinges and hinge pins and is bolt cutterand crowbar proof!
- High Security Puck Lock: Cobra SideWinder have extreme picking resistance, limited key blank access and over 250 million key code combinations available. Each Cobra SideWinder lock has 10+ combination locking plates each containing multiple anti picking grooves. The locking plates align with a sidebar to keep the inner cylinder engaged with the shell in the locked position. SideWinder locks have a Symmetrical key that will work in either direction, making this a very user-friendly lock.
- Bright Yellow Powder Coat Finish: We believe in presenting a hard target that is why we use a bright yellow powder coat to warn off would be thieves.
- Double Check Your Coupler/Hitch: This lock only fits the coupler/hitchs Bulldog sliding collar pictured. If you do not see your coupler/hitch, please view our other coupler/hitch locks.
- Ft. Knox Locks: We are a family run and operated small business with our locks designed and proudly made in the USA.

## Images

![Bulldog Sliding Collar Coupler Lock Includes Cobra-Sidewinder puck lock- BOLT CUTTER PROOF!!! - Image 1](https://m.media-amazon.com/images/I/71knz19UXmL.jpg)
![Bulldog Sliding Collar Coupler Lock Includes Cobra-Sidewinder puck lock- BOLT CUTTER PROOF!!! - Image 2](https://m.media-amazon.com/images/I/51yjUmuNu3L.jpg)
![Bulldog Sliding Collar Coupler Lock Includes Cobra-Sidewinder puck lock- BOLT CUTTER PROOF!!! - Image 3](https://m.media-amazon.com/images/I/714z9WvJEnL.jpg)
![Bulldog Sliding Collar Coupler Lock Includes Cobra-Sidewinder puck lock- BOLT CUTTER PROOF!!! - Image 4](https://m.media-amazon.com/images/I/71jtGW6CncL.jpg)
![Bulldog Sliding Collar Coupler Lock Includes Cobra-Sidewinder puck lock- BOLT CUTTER PROOF!!! - Image 5](https://m.media-amazon.com/images/I/61Zk7fWXl+L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    A bit pricey
  

*by B***N on Reviewed in the United States on October 23, 2022*

Looks well made with a nice lock .  Expensive though for what it is.

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Extremely pleased with this high quality lock!
  

*by M***E on Reviewed in the United States on June 8, 2020*

After much research I decided to purchase this device. I believe it offers the best protection that can be had amongst any hitch coupler lock. The piece of mind I have received is well worth the dollars spent.

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Excellent
  

*by K***K on Reviewed in the United States on February 24, 2021*

Great product

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**Shop now:** [https://www.desertcart.sg/products/200907043-bulldog-sliding-collar-coupler-lock-includes-cobra-sidewinder-puck-lock](https://www.desertcart.sg/products/200907043-bulldog-sliding-collar-coupler-lock-includes-cobra-sidewinder-puck-lock)

---

*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-01-25*