The OHS-VIS-48 Overhead Shelf frame provides storage space for instruments, power supplies, and other accessories when a full enclosure is not necessary. The OHS-VIS-48 is a 48 in. shelf which mounts to 48 in. Vision IsoStation Optical Workstations. Each shelf system comes with a height adjustable 15.3 in. width shelf with a lip to prevent instrumentation from accidentally falling off. The OHS-VIS frame can be upgraded to include universal power strips (available for France, Germany, Israel, UK, and USA).