2:Tread:30mm solid timber,25,52mm laminated tempered glass, 30mm solid marble.

3:Tread supports.0mm thick steel plate,A3 steel powder coated, sus304, sus316 satin/mirror finish.

4:Handrail:050.8mm solid wood, sus 304/316 satin/mirror finish.

5:Stair Railing:tempered glass railing with sus304/316 baluster.

6:Riser height: 150mm・300mm

7:Standard step size:1000*280mm