Durable zinc alloy and rubber: The door stopper is made of high quality zinc alloy and rubber, which is not easy to rust, has the properties of corrosion resistance and is durable, the door stopper door wall can prevent the door from hitting the wall, leaving unsightly scratches and dents, can be used for a long time. Effectively protect the floor: The rubber base of the metal door stopper can be very stable to hold the door open, and the soft rubber base can protect your parquet, tiles and carpets from damage and play an effective buffer role. Simple assembly and use: Find first a suitable installation height, then drill three guide holes in the door, then fix it with screws. You can knock the floor door stopper directly with your feet when in use and fold it up when not in use. Reduce noise and maintain air circulation: The door stopper can reduce the noise caused by door vibration when the door closes, creating a quiet living environment for you and your family room. Wide scope of application: Includes 2 stoppers zinc alloy door frame, the size is 12cm, it comes with 6 fixing screws, it can be installed on solid wood door, tile floor and other smooth floor, it is widely used in apartments, offices, garages, etc. Zinc Alloy Door Stopper – suitable for areas with a large number of people or areas that can be closed off by the wind. High quality door stopper: The door stopper is made of high quality zinc and rubber, which is sturdy and durable and can be used for a long time. The black rubber is soft and won't scratch your floor. Keep the door steady: Soft rubber door stopper keeps the door securely open. It can hold the door in a fixed position. The spring force ensures that the door is securely locked, the door is not easy to shake, and there is no door noise in the wind. Easy to install: The door stopper can be installed in minutes: First measure the optimum installation height, then drill three pilot holes in the door, tighten and lock the self-tapping screws, then the installation can be completed. Wide range of applications: Can be mounted on solid wood doors, can be fixed on wooden floors, tiled floors and other smooth floors, suitable for apartments, offices and garages. Specification: - Material: zinc alloy and rubber material - Size: 120mm - Color: Black - Weight: 220g Scope of delivery: - 2 x door stoppers - 6 x screws