This rack panel is a standard single rack space size and is prepunched with 8 holes which will accept standard "D" series panel mount connectors, such as Neutrik NL2MP, NL4MP etc. This panel would come in handy for moving your speaker outputs to the front of your rack case for easy access. This panel will also accept many XLR type inputs/outputs, as long as they're standard "D" size. Standard 1u rack space (1-3/4") and made of .047" thick steel with a durable black powdercoated finish. Flanged edges for reduced flex. Sold individually No screws are included.