metal steel stairs Steel stairs in modern style Elegant curved shape Customized size 2 Weeks delivery time Spec.: Stringer:30*260mm steel Handrail: Dia.32mm steel Railing:10mm thickness steel Baluster: Dia.25mm steel Tread:38mm thickness of solid wood detail dimension in your exact specification Package:wooden box with polyfoam & carton inner protected We have done spairs for more thaneight years! Just send us yourstairs drawing (note stairs height,stairs length and stairs width)to see how it will fit and look in your home.