... , Cherry, Teak, etc. Shape: Arc, Straight, Spiral Stair SpecificationsElegant wooden stairs: Raw material: solid woodSize: as per customer request ... Wonderful Customs made Solid wood StairsWooden stairs handrail and balustrade always in high quality and ... , Sepele, Elm, Cherry, Teak, etc.Shape: Arc Stair, Straight Stair, Spiral Stair 1. General specs: a. Stringer thickness: 50mm~60mm ...