In the industry terminology of door locks, Tubular Lever Lock body is also called the three-pronged lock body. As the name suggests, there are three anti-theft square bolts plus a switch tongue for a total of four bolts. It does not mean that the more the bolts of the lock body, the stronger the anti-theft performance. We need to focus on the material of the lock body. Generally speaking, stainless steel has the highest anti-theft performance. This Tubular Lever Lock body can be used in many scenarios. As consumers, we should keep our eyes open to choose products.