【Easy to install】: Measure the position before installation, first install the door closer, and then fix the wide adjustable hooks to the door frame with screws. Adjust the position of the hook so that the door closer can be properly opened and closed. Scope of application: Hydraulic door closer for refrigerator and freezer doors, suitable for flush doors, flush with the radiator door 3/4 offset, helps seal the door and prevent cold air from escaping, and cushions the impact when closing the door. Excellent performance: The high-quality pneumatic hydraulic cylinder gives the door closer excellent performance and quietness, making it