1.Can customize layers. 
Five layer size：600*650*1300mm
Four layer size：600*650*1040mm
Three layer size：600*650*900mm
Layer size：480*480(mm)

Each layer height adjustable：170-270(mm)，each layer can be moved up or down. 

2.Material: Aluminum alloy columns, Metal layer & metal base. 
3.With drawer (Upper drawer or bottom drawer, drawer position can be customized. 
4.100mm castors, at least two with brakes
5.With flexible monitor arm. 
6.Back with cable raceway, raceway open/close available.