Metal outdoor stairs steps straight staircase

Metal outdoor stairs steps straight staircase
Description
Metal outdoor stairs steps straight staircase

Specification: 
Stringer 300*12mm in carbon steel
Tread 4mm thickness tread in carbon steel
Railing # height 36''/42''/1000mm
Baluster 50*25mm in carbon steel
Infill tube 30*20mm in carbon steel
Top handrail 50*25mm in carbon steel

Stair tread options reference and can be customized as well: