Circular staircase with lateral stringers P M s a s di Mastella Roberto C LOUNGE
-A helical staircase with box section side stringers made from 50 mm thick satin finished stainless steel.
-Treads in absolute black granulated marble
-Balustrade in satin finished stainless steel tube, with uprights in two coupled plates, handrail in 42 mm diam., and rods in diam. 10