Features: -Made of high quality zinc alloy, it has high strength and hardness, wear-resistant and durable. -The base is made of high-quality rubber, which can protect your floor from scratches and ensure stable use. -The mounting base has 3 screw holes to ensure a secure installation and prevent it from falling off. -It helps you block the door and keep it open, and it also prevents the door from blowing around, preventing squeaking noises. -Easy to install, first measure the best height to attach it to the door, then tighten the self-tapping screws. Specification: Colour: black Size: as shown Material: zinc alloy Package Included: 1x Door stopper 3x Screws .