This universal stringer allows build a staircase, step-by-step. It attaches to a wood stringer of 2 in X 4 in, 2 in X 6 in, 2 in X 8 in or 2 in X 10 in. So you can make your own stair height. With its steel structure, this stair frame provides stability and durability and requires no maintenance. Includes two supports and installation screws. Baked powder-coating finish provides excellent rust resistance.

• https://assets.unilogcorp.com/187/ITEM/DOC/Pylex_102747610_Specification_Sheet.pdf Specification Sheet