Universal Trailer Coupling Tow Ball Lock - Zinc Alloy Anti-Theft Lock

Protect your trailer, caravan, or boat from theft with this universal tow ball coupling lock. Engineered to fit standard 50mm couplings, this expansion lock inserts directly into your trailer hitch socket and locks securely—preventing unauthorized vehicles from hooking up to your trailer when parked.

Features

• Universal 50mm Fit: Fits seamlessly into all standard 50mm trailer couplings for cars, caravans, boat trailers, and utility trailers.

• Corrosion-Resistant Zinc Alloy: Built from high-grade zinc alloy for excellent durability, impact resistance, and weatherproofing against rust.

• Internal Expansion Locking: Expands and locks inside the coupling mechanism, making it impossible to attach a tow ball while engaged.

• Simple Tool-Free Operation: Fast and straightforward installation using the included keys and Allen key without requiring heavy tools.

• Reliable Anti-Theft Protection: Provides strong visual and physical deterrence whether your trailer is unhitched at home or on a job site.

Specifications

• Material: Heavy-Duty Zinc Alloy

• Dimensions: 61.5mm x 49.8mm

• Compatibility: Universal fit for 50mm trailer ball couplings

• Color: Silver

Package Includes

• 1 x Tow Ball Expansion Lock

• 1 x Allen Key

• 2 x Keys

Usage & Installation Tips

Insert the unlocked ball device into your unhitched trailer coupling. Use the Allen key to tighten the internal expansion mechanism until snug, then turn the key to lock it securely in place.

Shipping & Store Information

• Dispatch: Orders dispatched within 1–2 business days directly from our supplier warehouse.

• Pickup: Strictly NOT available.

• Transit Protection: We take full responsibility for items lost or damaged during transit.

• Payment & Invoicing: Payment required within 7 days. Official GST tax invoice provided upon request.