No two rack cabinets configuration are alike. Each one is unique and different depends on the rack equipment installed. Some are short while other might be extra-long. This makes adding addition rack equipment such as network server, router, switch, power supply, shelves and other testing equipment more challenging. Not all rack equipment come with the exactly depth mounting bracket you need to complete your installation. If you are lucky, it fits perfectly inside your rack cabinet and no additional work required. The chances are that your cabinet depth configuration might be just couple of inches deeper than your new rack equipment. In this kind of situation, RACK EXTENDER is what you need to complete your installation.