High quality-made of 304 stainless steel and rubber. Stainless steel ensures that the handle will not rust over time. 5 ounces of solid rubber gives you the confidence to hold heavy doors. This door stop can keep the door clearance between 0.1-1.8 inches.Suitable for all surfaces-the serrated design top can make the door fall to the right edge, helping the non-slip design base and the floor to generate high friction, making the door stronger. (Note: Please make sure the door plug and the surface are dry and clean before use)Wedge-shaped door stop: The door stop is wedge-shaped, suitable for door stop. The slope of the stop is adjusted to increase the friction between the door and the stop bar to make it slip resistant. In addition, they can accommodate even the heaviest doors.No marks are left on the door and floor-unlike a traditional door stopper, it requires you to use screws to fix it to the door and floor. It is easy to use this kind of door stop, just insert the door stop into the gap between the door and the surface.If you have any questions or suggestions about our products, please contact us as soon as possible. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.