Screw kits in package. Suitable for pots with openings greater than 4 inch in diameter. Material The flower pot bracket is made of heavy wrought iron material. Thick and heavy duty, can hold up to 20 lbs flower pot. Unique and delicate design Matte Black finish on the surface, rustproof and durable. Great for decorative outdoor or indoor planter. Easy Installation Minutes to install in a wall, fence or surface of your choosing. Can be upside down to mount, depend on your needed. Multi Usage Suitable for garden, home, fence, wall montage or other indoor outdoor applications.