Helical glass staircase with glass railings for indoor

Helical glass staircase with glass railings for indoor
Description
Helical glass staircase with glass railings for indoor

Specification: 
Center post 74*4mm in sus304
Stringer 114*4mm in sus304
Glass tread 10+1.52+10+1.52+10mm laminated tempered glass
Railing # height 36''/42''/1000mm
Glass panel 12mm tempered clear glass
Baluster 42mm in sus304
Top handrail 42mm in sus304

Stair tread options: