Fully fabricated  open Staircases with Central Stringer

custom-iron-work-seattle-center-stringer-stairs
central stringer stairs-custom iron works
floatin-stairs-custom-ironworks
http://ironcustomworks.com/
Floating Stairs, single-mono stringer staircase fabrication and installation
iron-work-open-stairs
http://ironcustomworks.com/
Floating Stairs, single-mono stringer staircase fabrication and installation