| Stringer | 200*100*5mm in carbon steel |
| Tread support | 2pcs 40*40*5mm in carbon steel |
| Stair tread | 80mm thickness solid wood tread box |
| Railing # height | 36''/42''/1000mm |
| Standoff | 42mm in sus304 |
| Glass panel | 12mm tempered clear glass |
| Top handrail | 50*50mm in solid wood |
