This 1U 8 D-Series Punch-out Component Panel is desgined for 19 inch AV, Sound, Computer Equipment Racks. Product Size: W 19" x H 1.73", with 8 D-Series Punch-outs, Take 1U space Hinged on Both Ends Helps with Adding Cables Later to a Wall Rack with Limited Access 4 Pins around Each Punch-Out and Accepts Different Type of XLR Connectors or others. Making Installation Easily.