| Stringer | 300*10mm in carbon steel |
| Tread support | 6mm in carbon steel |
| Stair tread | 80mm thickness solid wood tread box |
| Railing # height | 36''/42''/1000mm |
| Railing | 10mm railing plate in carbon steel |
| Glass panel | 12mm tempered glass |
| Top handrail | 50mm in sus304 |
