Durable Zinc Plated Iron Material- The spring latch is made of high quality iron and the surface is zinc plated, which can maintain good performance even in bad weather, not easy to rust or corrode, and the rubber cap can prevent accidental scratches. The spring door lock can work for a long time and accompany your security. Spring lock design- Closed and fixed spring bolt design allows you to open and close easily when needed and to stay closed when needed. You only need to pull the handle and then twist to fix the pin in the card slot. The stable structure can ensure that the spring door latch will not be forced open. Good design of Connection- The shed door lock is sealed and welded with thickened and reinforced bottom. The soft rubber grip makes it easy to pull and twist, and the strong spring automatically returns when you let go. The door lock latches not only secure the door, but also help straighten the crooked door and hold the door open or closed. Easy to Use- The door lock bolt is easy to install. You only need 4 pre-drilled holes with a hole diameter of 5mm. Adjust the diameter of the sliding pin to a suitable position, then screw the lock bolt and the door lock bolt tightly to the door or window and install it vertically or horizontally. Widely Used - The garage door lock is 128mm long, 43mm high and 10mm in diameter, which can increase the security of homes and garage doors and ensure the safety of livestock. As well as locking, closing and securing doors and windows, it can also be used as an additional security lock and is ideal for garages, sheds, barns and chicken coops.