Floor hatches from Praktika Company, with a design workload of up to 2500 kg. This model differs from analogs in the use of a self-locking lock, and the smooth movement of the lid when opened, which occurs without the use of special handles. The overhead frame is welded from a steel corner profile, painted with polymer powder dye. For installation of the hatch, a special box is not required, a sufficient opening in the floor is required. use the hatch in wet areas. When opened, the cover is lifted with gas shock absorbers. The lock of maple type prevents a backlash of the closed cover. The lock does not require special keys and caps for the lock.