Closed riser full hardwood straight staircase for interior

Closed riser full hardwood straight staircase for interior
Description
Closed riser full hardwood straight staircase for interior

Specification: 
Stringer 300*12mm in carbon steel
Tread support 6mm in carbon steel
Stair tread 45mm thickness solid wood tread
Closed riser 20mm thickness solid wood
Railing # height 36''/42''/1000mm
Glass panel 12mm tempered glass

Solid wood stair tread options:


Color for the stairs tread can be customized.
Below are some regular color for reference and choose: