Sperling Guardian Prolock – Premium Steering Wheel Anti-Theft Lock
Keep your vehicle safe with the Sperling Guardian Prolock, Australia’s trusted steering wheel anti-theft device. Designed for everyday cars, SUVs, and utes (excluding luxury vehicles), it acts as a visible deterrent while physically preventing theft.
Why Choose Guardian Prolock:
- Maximum Security: High-security barrel lock and unique keys prevent duplication, drilling, and picking.
- Durable & Tough: Made from cast aluminium with solid hooks – resistant to sawing, cutting, and bending.
- Safe & Integrated Design: Extended arm stays secure without damaging your steering wheel; fits wheels up to 15”.
- Easy to Use: Quick locking system with two keys included.
- Compact Storage: Designed to fold neatly for convenient storage.
Quick Installation:
Simply position the Prolock at a 45° angle on your steering wheel, extend the arm to hook inside the wheel, and lock. Unlock easily with the key.
Australian 1-Year Warranty:
Backed by Sperling Enterprises, this warranty covers defects in materials and workmanship. Easy claim process with receipt and included keys.
Perfect for daily commuters, tradespeople, and families who want peace of mind without expensive luxury security systems.
Protect your car today with the Sperling Guardian Prolock – tough, reliable, and made for Australian drivers.


