Description 1.Strong and Useful: Wedge door stopper made of electroplating process and durable rubber, metal doorstop has a very nice finish, waterproof and rust-proof, strong and durable. It is a heavy duty product and sturdy enough for any heavy-duty door. 2.Heavy Non-slip: Heavy doorstops with rubber on the bottom and top, it guards your door, rubber provides a firm grip on floor door without moving. This door stopper is 3 inches (75mm) tall, the strong metal wedge is tall enough, most other doorstops are too short and the door easily slides over it. 3.Design Spring Excellence: Spring design allows for height adjustment. Just place the door stopper on the ground, press it firmly with your foot, and then slide it to the appropriate position under the door to fix it. Adjustable door wedges will fit any commercial or household door gap. 4.Excellent Door Stopper: Heavy strong metal doorstop, Suitable for any heavy spring loaded swinging door, double doors, door or parquet or tile, and it also works well on a glass door and carpet.