One spiral staircase kit with adjustable rise. Kit includes 13 rises with corresponding railing pickets and handrail.
Total height range in one basic kit is 107-1/2" - 117-5/8".
Center supports and railing pickets are steel painted with oven dried epoxy paint.
Treads and handrails are solid beech wood painted and varnished with two layers of non-toxic water varnish.