Door Closer, White, Standard Pneumatic Screen and Storm Door Closer

To withstand repeated opening and closing of the door. The screws at the end of the pneumatic door closer make it easy to increase or decrease the closing speed and strength of the door, making it easier for people to enter and exit while extending the service life of the door and frame. Full 90 degree opening. It is recommended to use individual door closers for light to medium weight doors and pairs of door closers for heavier storm and screen doors. Included - All mounting hardware, no need to order or add additional parts, easy to install, please refer to the manual for detailed installation procedures!