About this item Material: The automatic door closer is made of high-quality zinc alloy and stainless steel. With a one-piece construction, it is corrosion-resistant and durable. Adjustable design: The door closer can be installed on the left or right, reducing the closing force and preventing damage to the door. It's comfortable and convenient, and also prevents you from forgetting to close the door. Wide range of applications: This door closer is suitable for fire doors, hotels, condos, residential complexes, offices, interior doors, and bedroom doors. Unique design: The door closer features a double spring construction and a roller design to protect the door from damage and reduce noise. Package contents: 2 pieces of automatic door closer. The door closer measures approximately 12.6 x 3.2 x 13.8 cm. This size is suitable for your needs. Daily needs. Specification: Material: Zinc alloy + stainless steel Product Name: Automatic Door Closer Size: 12.6 x 3.2 x 13.8 cm Color: White