Pipe well lock is also called simple door lock. As a special lock for pipe door, electric room door and circuit door, rda-35 of Lelang hardware is 37mm and 62mm general size pipe well lock. If the above two sizes are not suitable, it can be customized according to the drawing size. The surface treatment of the product also has imitation gold, light chrome and so on. The key is the standard red key, which is conspicuous.