The strongest wheel and tire anti-theft system launched from Europe. Star Lock/Micro Lock is the original wheel lock system used by automobile manufacturers worldwide. Comes standard with a rotary ring for a strong anti-theft effect. Manufactured with the highest quality and certified by the British automotive parts and other testing agency from "Satcham" worldwide evaluation standard. It can be removed only if the key pattern has a unique irregular shape perfectly match. The rotary ring is made of a solid material with no stitching, and it will prevent theft using special tools. (Starlock) head is manufactured with a special heat treatment to create a hardness that is difficult to drill or work with. The surface treatment of the Star Lock and Micro Lock is a heavy duty rust resistant zinc-plated coating that does not contain hexavalent chrome, which is harmful to the environment. It is not a mirror finish. In addition, the zink plating is slightly uneven in both silver and black, but this is not a defect. Today, products that have been chrome plated are strictly regulated according to the RoHS Directive in Europe.