[High Material]- Our door barrel bolt is made of high-quality stainless steel, wear-proof, corrosion-proof, not easy to rust, beautiful in appearance, durable, and can provide maximum to your door frame [ADVANTAGE]-The door latch is equipped with an automatic spring. When you press the middle button, the door latch will automatically rebound and then open;No need to open it manually [Excellent Design]- These door barrel bolts can low-resistance sliding design of be quickly locked, keys can be opened, and non-touch unlocked, which can avoids accidental touch unlocking and improve the ty of operation [Easy Install]- These door barrel bolts can be installed freely from different angles, only need to be screwed in, which is convenient for installation and maintenance, ensuring that they remain as new for a long period of time Quite often, they are used as an additional locking point on a door for increased security., Manufacturer: sdSDGrw