The PAC-102B Accessory Shelf (Black) from Chief is designed to hold any component that plays an integral role in your setup. The shelf attaches to a standard 1.5" NPT extension column, allowing you to adjust its height and the angle of access as needed. Use this unit to gain quick and open access to your equipment. It features a shelf cover to provide a cleaner aesthetic look and an optional safety strap is also available for added security. The unit is constructed of steel and all mounting hardware is included.