Miraculous staircase

Floor height: 2720mm (107.09”)

Steps: 15+1 (Final step is second floor)

Step height: 178mm (7”)

Step length: 1200 mm (47.25”)

Inner&Outer diameter: 1200-3600mm (47.24”-141.73”)

Stringer: Outer box stringer&inner stringer ,white

Steps: 15mm Marble with 6mm tread support

Railing: 12mm grey glass