Whole Steel HPL Anti-static Raised Access Floor Pedestal is the SAME as Ceramic Anti-static raised floor 

Whole Steel HPL Anti-static Raised Access Floor Pedestal is steel panel,
Top plate is flat, common size is 76x76x3mm, 
Round tube or straight tube are available, 1-3mm thickness is available, common is 1mm thick.
Bottom plate is flat, common size is 85x85x2mm or 95x95x2mm

Whole Steel HPL Anti-static Raised Access Floor Pedestal is used together with stringer.