1. Lock core: This is the most critical part of the lock, and it is responsible for anti-theft performance. According to professional analysis, the best lock core is made of zinc alloy. This lock core not only has a good feel, but also has good corrosion resistance and wear resistance, and is durable.
2. Lock body: The lock body contains the lock core, which is the shape of the lock we see. Generally speaking, there is a certain standard for the width of the lock body. Only a lock body of 241mm can meet the needs of family security. In addition, if you want to improve security, it is better to choose a large tongue lock.
3. Door handle: The door handle is a necessary accessory for door locks. Today's door handles are usually made of aluminum alloy, while the previous door handles were mostly made of iron. In addition to being practical, the door handle is also decorative and can be made into various shapes according to different decoration styles.
4. Magnetic alarm: This accessory is not available in all locks, but only in locks that use magnetic devices such as electric locks. It is usually installed on anti-theft doors to prevent theft.