Features: Suitable for doors: the maximum opening angle of the door is 175 degrees. Suitable for doors weighing 20-30kg, very suitable for doors in homes, offices, and hotel rooms. Adjustable Closing and Latching Speed: Premium automatic door closer, non-hands-on design, adjustable tension, adjustable screw for slow or fast closing, choose your return closing speed to suit the environment where the closer is placed. Excellent quality: the automatic door closer is made of stainless steel, adopts one-piece molding process, and multi-channel assembly process, which makes the whole product durable. Easy Installation: Including mounting screws and brackets as shown in the picture, this door closer is designed to reduce the strength when closing the door to protect the door from damage and reduce noise. The closing strength of our door closers can be adjusted using the included wrench, tighter or looser according to your personal needs. Make sure your door closes securely with this automatic door closer. Suitable for high traffic areas and tested to withstand continuous open cycles. Adjustable self-closing doors are suitable for residential commercial use. Very suitable for anti-theft doors, plastic steel doors, wooden doors, aluminum alloy doors and other doors. Package includes: 4*screws+1*hexagon hand plate 1*arm lever 1*base 1*door closer Note:1. Please allow slight errors due to manual measurement. Please make sure you don't mind before bidding.2. Due to different monitors, the color may vary, please understand. Note:Hello, please pay attention to your shipping address when purchasing the product. If your receiving information (eg: name, street, house number, doorbell/email with no name, etc.) is incorrect, the order will not be delivered correctly.