Double curved stairs

Floor height:3397.3mm (133.75”)

Step Qty:17+1

Riser:188.7mm (7.43”)

Stringer: Black coating

Tread :45mm Beech

Tread support: 6mm carbon steel, black coating

Top handrail: 101*50mm Beech

Railing : Classic railing, Black

Front post: Yes