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

3:Tread support:6.0mm thick steel plate,A3 steel powder coated, sus304, sus316 satin/mirror finish.

4:Handrail:^50.8mm solid wood,A3 steel powder coated sus 304 or sus316 satin/mirror finish

5:Stair Railing:8mm/12.7mm solid rod bar A3 steel powder coated, sus304, sus316 rod railing system.

6:Riser height:150mm-300mm

7:Standard step size:1000*280mm