Stairway railing is mainly made of iron, compared with the traditional wooden handrail, can bring more stability and durability, more safe and reliable. Black Transitional Handrails are curved on both sides for easy gripping and provide extra support for walking up and down stairs, both indoors and out. Handrails for Outdoor Steps measures 35"W x 41"H''H for 3 steps. Handrails for stairs spanning 3 steps. The metal stair railing can be used for all kinds of stairs in doorways, porches and gardens. The staircase railing comes with installation instructions and the necessary accessories to help you assemble it easily.