Std anti-theft wheel clamp A good assistant for traffic policemen on duty- wheel clamp device(wheel lock) "easy lock" std alarming vehicle lock device---wheel lock, a good car-managing assistant for communications and transportaion bureau, has played an effective role in harnessing vehicle overload. This product is authorized by quality testing centre of ministry of public security and international is09000 quality testing system. Adopting the technique used in making lock for safes, "easy lock" can firmly lock vehicle with a high security. Steel needles installed in the lock can stop vehicle from a force movement and the alarming device installed can send out 120 decible sound when smashed or opened with a force. Tongs arms can be adjusted to tyre size . It is easy to carry and operate. Without buying an expensive trailer , it can lock the vehcile breaking regulations at anywhere at anytime. Due to its high Inner packing:a#a thick kraft paper Outside packing:blowing vesicant glue