Indoor And Outdoor Curved Rotating Steel-wood Staircase Model: SJ-H809 Trademark: Hereditary Stair Material: Stainless steel Keel: Φ102*4.0mm center column A3 steel Pedal: glass pedal 10+1.52PVB+10mm Handrail: stainless steel round tube: Φ38.1mm*1.0mm Column: round pipe column: Φ38.1mm Railing: stainless steel railing Φ8mm drawing |