Automatic Door Closer Heavy Duty Hydraulic Automatic Cushioning Silent Self Closing Door Hinges for

Feature: 1. Self Closing: Hydraulic technology, can automatically close the door, quiet operation, create a quiet home environment, suitable for sliding doors. 2. Door Frame Protection: With hydraulic technology to provide a controlled and cushioned closing motion, preventing slamming and reducing noise. 3. Durable Construction: This automatic door closer is built to withstand heavy usage and is made from heavy duty materials, ensuring long lasting performance. 4. Smooth Operation: The connecting rod shaft rotates softly and smoothly to ensure the normal operation of the door and opening and closing. 5. Wide Application: Designed specifically for fire and security doors, this door closer ensures reliable and efficient closing, enhancing safety and security measures. Specification: Item Type: Automatic Door Closer Material: Aluminum alloy + cast aluminum Size:24*8*7cm. Package List: 1 x Automatic Door Closer13 x Screw1 x Cap1 x Retractor