Aluminum 2.5 mm, clear anodized (non-conductive)PCB mounting lugs are formed on the rear face of the panelNo PCB fixing screws on the front face of the panel, leaving more space for silk screening and mounting front panel componentsSuitable for all sub racks and casesThickness of the mounting lugs (3.48 mm) allows PCBs to be mounted on either side of the lugsDrill marks at rear for handle-fixing holes