Features: brand new and high quality Foot pedal design: Step down to brake, and the position can be stopped at will. Zinc alloy material: Wire drawing treatment is not easy to rust, not easy to break, thick and durable. Bold spring: large elasticity, good resilience and not easy to deform. Thickened plastic rubber: Thicken the part that touches the ground, the collision is silent, the bottom thread increases the friction, and it is stable and more durable. Note: When installing the door stopper, the distance between the two screw holes at the bottom end and the ground must be controlled between 20~43mm/0.79~1.69 inches. Specifications: Material: Zinc Alloy Color: Green Bronze/Brushed Gold/Red Bronze/Brushed Nickel Total Length: Approx. 185mm/7.28inch Package Includes: 1x Door Stopper（with Screws） note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.