1.Excellent material: the adjustable deadbolt spring is made of high strength zinc alloy, which is corrosion resistant and wear resistant, even in damp and cold cooling environments, it can also maintain excellent physical properties to ensure a long and stable life 2.Automatic reset: zer door latches have a built in spring design that makes the latch automatically jump back to its original position after it has been unlocked, which facilitates fast and continuous switching operations, reducing manual intervention and improving work efficiency 3.Stable and reliable: the radiator shutter adopts a sturdy structure, which can effectively prevent unauthorized opening, and even under unexpected circumstances, such as vibration or external shock, it can maintain the stability of the lock to ensure the of the items inside the cooler 4.Easy to operate: walk in cooler door handle is ergonomically designed and easy to use, whether it is a onehanded operation or a quick release in an emergency, it can be easily realized, reduces the difficulty of operation and increases the convenience of use