SmartRack® SRSHELF4PSLHD is a heavy-duty sliding shelf for installation in rack cabinets. The SRSHELF4PSLHD has a 28.3-inch (720-millimeter) depth (29.5 inches including handle) and can support up to 200 pounds (90.7 kilograms). This extendable shelf can accommodate tower units, monitors and other equipment. It is designed for 4-post rack mounting and the required mounting hardware is included. Expandable mounting rails supports installation in racks with front to rear rail distances between 28 inches (710 millimeters) minimum and 46 inches (1170 millimeters) maximum.