【Premium Material】Spring bounce door bolt is made of premium zinc alloy, durable and corrosion-resistant, not easy to damage, can maintain good performance even in bad weather. 【Enhanced Security】Security bolt latch for locking, closing and fixing the door, you can open and close the latch easily, and can remain closed when required. 【Easy to Install】Just use screws to install spring latch bolt on the door or window, it can be installed vertically or horizontally, saving your time and effort, requires 4 pre-drilled holes and comes with 4 screws for each bolt. 【Convenient And Practical】Aluminum automatic door bolt, spring loaded, pull ring bounce, easy installation, not easy to damage, very safe, you can use it with confidence. 【Perfect Replacement】High quality door bolt provides enhanced security for doors, gates and windows. Wonderful replacement for replacing your old or damaged one., Manufacturer: KSTE