Anti-plugging tongue: It has a safe anti-insertion guarantee.
The anti-locking two tungsten steel in the generous tongue is reinforced, which is more resistant to damage.
Combine the oblique tongue to help close the door easily, reduce the vibration, and completely avoid the damage to the door lock and the door frame caused by the vibration.
Using the three-dimensional space motion principle to design the lock body, reform the conventional two-dimensional traditional design of plane motion, make the opening lock feel better, more flexible and more durable.