Two 6 foot step stair risers $120 for the set. 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 ready to have the steps. 2-4 risers per stair structure are generally used. The steel tubes provide stability and durability. Baked powder coat finish, provides excellent rust resistance. PVC tape is glued on the surface of steps to protect steel. Heavy gauge steel components with a baked powder coating finish that provides excellent rust resistance. Can be used with all types of stair tread types - steel, wooden, fiberglass, and also steps and guard rails. Often used with Stringer Connector/Mounting Bracket # 13920, not included. 10” steps.