| Center post | 300*12mm in carbon steel |
| Stringer | 300*12mm in carbon steel |
| Stair tread | 80mm thickness solid wood tread |
| Tread support | 6mm thickness tread support in carbon steel |
| Railing # height | 36''/42''/1000mm |
| Baluster | 50mm in sus304 |
| Solid Rod | 8 layers, 8mm solid rod in sus304 |
| Top handrail | 50mm in sus304 |
