CS5.1   Double Panel Support
Panel thickness:  
Minimum: 4mm (5/32")            
Maximum: 8mm (5/16")

Cable spacing:
Panel width + 19mm (3/4")

CS5.2   Double Panel Support
Panel thickness:                  
Minimum: 4mm (5/32")
Maximum: 10mm (5/8")

Cable spacing: 
Panel width + 19mm (3/4")