Wrought Iron Material: The columns are made of high-quality and thickened material. They undergo a 180°C high-temperature baking process, and the surface coating is rust-proof, corrosion-resistant, and wear-resistant. These columns can withstand prolonged exposure to external environments while maintaining stability Custom Services: We offer custom services and support a variety of styles and sizes of railing posts. If you need to customize products or there are quality problems with the products you received, please feel free to contact us, and we will provide you with a satisfactory answer 270°Adjustable Bracket: Our stair railing post is equipped with a 270° adjustable bracket to meet the installation needs of different occasions; Square post diameter: 1.57x1.57in; Swivel head size: 1.57x1.57in; The distance from the wall when installing: 3.14 inches; Uprights are strong enough to keep you safe Quick Installation: The installation of the column is simple and convenient. You only need to drill holes and fix the bracket with expansion screws. The installation spacing should be 6.2 inches. If you are using the railing post in an outdoor environment, please consider adding an anti-rust coating or using weather-resistant materials to improve its durability Extensive Application: Our stair railing column is suitable for indoor and outdoor decoration (such as family villas, office buildings, decks, attics, balconies, lounge bars, etc.) After the installation, it is stable and does not shake; whether it is the elderly, pregnant women, the disabled, children, or rehabilitation crowds can safely go up and down stairs; Wipe it with a rag for cleaning 34/36/38/40/42in Side Mount Stair Railing Posts, Indoor Outdoor 270°Adjustable Metal Baluster Post, Staircase Balusters with Screws Kit for Deck, Balcony and Porch