The Stoplock Pro is an easy to use car security device and is Thatcham category 3 approved. The lock has a the lock has a reinforced moulded body and the this model fits most vehicles and is the only steering wheel immobilizer colour makes it highly visible. This model fits most vehicles and is the only steering wheel immobilizer proven in independent tests by both Kent and South Wales Police to be 100% effective in preventing car crime. This Stoplock Pro model is fitted in seconds and features 10,000 key combinations.