| Center post | 76*4mm in carbon steel |
| Stringer | 114*4mm in carbon steel |
| Stair tread | 40mm thickness solid wood tread |
| Tread support | 6mm thickness tread support in carbon steel |
| Railing # height | 36''/42''/1000mm |
| Baluster | 42mm in cabon steel |
| Solid Rod | 8 layers, 8mm solid rod in sus304 |
| Top handrail | 48mm in solid wood |

