Trailer Coupling Lock – Universal 50 mm Ball & Latch Style Security Device (TSDCL)

Overview

This robust Trailer Coupling Lock (P/N: TSDCL) is crafted to secure trailers, caravans, horse floats, or boat trailers fitted with standard 50 mm ball couplings—whether attached or detached from your vehicle. It acts as a reliable anti-theft deterrent by blocking the coupling mechanism.

📦 What’s Included

• 1 × Universal coupling lock (sized for 50 mm tow balls)

• Suitable for both on-vehicle and off-vehicle locking applications

• Heavy-duty construction with corrosion-resistant finish—perfect for marine or coastal conditions

🌟 Key Features & Benefits

• Universal fit for 50 mm ball couplings, including both latch and flange-style types 

• Can be used when coupling is attached or detached—prevents both theft and unauthorized towing 

• Made from weather-resistant cast aluminum or steel, suitable for outdoor and marine use 

• Affordable security option (~AUD 19.95) with manufacturer-backed warranty and fast Australia-wide dispatch 

✔ Installation & Use

• To secure while connected: slide the lock under the tow ball, engage the coupling, then lock over the coupling head.

• To secure when detached: lock the device directly into the coupling head.
  Ideal for overnight storage, unattended trailers, campsites, or job sites.