Highlights: Material: Steel 1 Step Building your staircase was never so simple and fast Designed in one piece this stair frame does not need to be cut It is already to have the steps, doesn't require any maintenance due to its steel structure The steel tubes provide stability and durability and adds a finishing touch to your house and highlights your staircase Baked powder coating finish (anti-corrosion), can be used perfectly with steel, wooden, fiberglass, etc. steps and guard rails Warning: This product contains chemicals known to the state of California to cause cancer and birth defects or other reproductive harm.