Spiral staircase

Floor height: 2670mm (105.12”)

Stairs diameter: 1600mm (63”)

Step Qty : 14+1 (final step is lower than celling floor)

Step height: 178mm (7”)

Step length: 800mm (31.5”)

Center stringer: Dia 108mm Carbon steel

Side stringer: 6+6mm box to insert glass

Tread:50mm

Railing height : 914mm

Railing : 12mm glass clear

Top handrail : No