feature: High-quality stainless steel automatic door closer, non-manual design can adjust the tension, adjustable screw to close slowly or quickly, choose the return closing speed suitable for the environment where the door closer is placed. this door closer is to reduce the strength when closing the door to protect the door from damage and reduce noise. The automatic door closer is made of stainless steel and zinc alloy, using one-piece molding process and multiple assembly processes to make the whole product durable. Please measure the door before placing an order, it is suitable for a door weight of 20-40kg. The closing strength of our door closers can be adjusted according to your personal needs using the adjusting rod, tight or tight. This kind of door closer is not suitable for heavy doors and large doors. Specification: Material: Stainless steel Colour: White/Black Size: 160 x 126mm Package Contents: 1 x door closer Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.