Trailer Hitch Lock Kit, Fits for 46 mm, 50.8 mm, 58.7 mm Couplers, Heavy-Duty Anti-Theft Trailer Ball Lock with Keys, Prying-Resistant, Adjustable Height Design for RVs, Boats, Trailers
Not satisfied? Return it within 14 days for a full product refund. Return shipping applies for change-of-mind returns. View policy
Protect your trailer from theft with this heavy-duty anti-theft lock that fits multiple coupler sizes, giving you peace of mind whether you're parked at home or on the road. The rust-resistant design maintains its strength through Australian weather, whilst tool-free installation and adjustment mean you can secure your trailer quickly without fuss.
- Fits 46 mm, 50.8 mm and 58.7 mm couplers
- Aluminium alloy body with zinc alloy core resists prying and impact damage
- Chrome plated and powder coated finish prevents rust and corrosion
- 11 height adjustment settings for different trailer types and vehicles
- Tool-free installation and adjustment
- Includes padlock, locking pin and two keys
📦 Shipping & Delivery
Free Shipping on orders $500+. For orders under $500, a flat postage fee applies based on order weight (from $4.95).
Orders are dispatched within 1–3 business days of payment confirmation. You will receive a tracking email once dispatched.
Standard delivery: 3–7 business days (metro). Regional/WA/NT may take slightly longer.
🔁 Returns & Refunds
We offer 14-day returns on all items.
To be eligible, items must be returned in original, unused condition with all original packaging.
To start a return: email hello@myhappygift.com.au with your order number.
Refunds are processed within 5–10 business days of receiving the returned item.
🛡️ Warranty
All products include a 12-month manufacturer's warranty.
Covers manufacturing defects and faults under normal use conditions.
Does not cover accidental damage, misuse, or normal wear and tear.
To make a warranty claim, email hello@myhappygift.com.au with your order number and photos of the fault.
❓ FAQs
How long does delivery take?
Orders dispatch in 1–3 business days. Standard delivery 3–7 business days.
Do you ship to all Australian states?
Yes, we ship Australia wide including WA, NT, and all regional areas.
How do I track my order?
A tracking link is emailed once your order is dispatched.
How do I contact support?
Email hello@myhappygift.com.au or call (03) 9961 6069.
Mon–Sat, 9:00 AM – 10:00 PM AEST. We respond within 24 hours.
Are your products covered by warranty?
Yes, every product includes a 12-month manufacturer's warranty.
Curated for Quality
Every product hand-selected to meet our quality standards before it reaches your home
Fast Australian Dispatch
Orders dispatched within 1–3 business days from our Australian warehouses
Responsive Local Support
Australian-based team available Mon–Sat, 9am–10pm AEST. Reply within 24 hours
Backed by Warranty
Every product includes a 12-month manufacturer's warranty — shop with confidence
