The set includes 4 hinged door stops, no door wedge required, new, high quality and unused. Size: The wire diameter of the stainless steel door automatic opener is approximately 0.06 inches, and the height of the coil is approximately 0.32 inches Material: The hinge door stopper is mainly made of stainless steel, reliable and reusable, sturdy and stable, not easy to break or rust, and can serve you for a long time. Easy to use: The installation and replacement of the door opener are simple and convenient. You can directly open the hinge pin, place the door opener on top, reinstall the hinge pin, or fix it to the wooden door with screws, bringing you a good user experience This spring door stop can prevent scratches and damage to your door and wall, making it a great choice for protecting them and ensuring that the door remains open. After sales: We will provide you with good after-sales service. If you have any needs, please feel free to contact us and we will reply to you within 24 hours