Bailrail Post Size:Railing shaft height: 75-110cm, square post diameter: 4 x 4cm, handrail suitable for installation on lower cross-sections with a width greater than 4cm. Material: The posts are made of iron and baked at 180°C, making the surface rust-proof and wear-resistant, able to withstand external environmental impacts for a long time while maintaining stability. Adjustable Angle Bracket: The bracket can rotate 270°, allowing for convenient and flexible adjustment to adapt to steps of different heights; the posts are sturdy and durable, ensuring your safety. Easy Install: Side Mount with Screw Kit, Mount it at the desired location, mark the hole locations on the mounting surface, and drill holes, it's simple. Wide Application: The railing posts are widely used indoors and outdoors, suitable for decks, stairs, porch railings, patios, balconies, and other places requiring protective fencing.