Closed 2 Sides Closed Riser-Wood Stringer SI-C2-CR-WS View Closed Riser-Metal Stringer SI-C2-CR-MS View Open Riser-Wood Stringer SI-C2-OR-WS View Open Risers-Metal Stringer SI-C2-OR-MS View Waterfall-Wood Stringer SI-C2-WF-WS View Waterfall-Metal Stringer SI-C2-WF-MS View
