BEST QUALITY IN THE MARKET -- Made of high quality aluminum/ alloy and steel, sturdy and durable, it can prevent cutting, anti-knocking, anti-corrosion, anti-cracking, and resist pry, saw, hammer. Hydraulic telescopic lock can prevent excessive force when locking the car, will not damage the car, so the lock is more stable SPECIAL TECHNOLOGY DESIGN -- The design of the double lock cylinder increases the strength and provides a lower aperture ratio. The hook for brake is plastic outside, and the interior is solid steel to enhance the anti-saw. CONVENIENT USE -- Can lock the steering wheel and brake/ pedal /clutch at the same time. Easy to operate, simple locking and unlocking with keys in a few seconds. ANTI-THEFT -- According to the manufacturing test, it takes more than 45 minutes to cut all three parts, and most thieves will surrender within 5 minutes. This is very safe for car owners. It can also break the glass to escape in danger. UNIVERSAL FIT -- The Three-Section telescopic hydraulic lock can be compressed according to the height of the steering wheel brake/ pedal /clutch. As long as the steering wheel is within the range of 58cm-85cm, the 90% car height is about 75CM. The locking range is adjustable for Van Car SUV Lorry Truck.