Tripp Lite SRSHELF4PSL Rack Enclosure Cabinet Standard Sliding Shelf 50LBS. Sliding Shelf mountable rack accessory. Designed for 4 post rack mounting. / 72cm shelf depth, supports up to 50 lbs (22.7 kgs). Extendable shelf accommodates tower units, monitors, and other equipment. Cold rolled steel with black finish. Required mounting hardware included. SmartRack® SRSHELF4PSL is a standard sliding shelf for installation in rack cabinets. The SRSHELF4PSL has a 28.3-inch (720 millimeters) depth (29.5 inches including handle) and can support up to 50 pounds (22.7 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. Standard sliding shelf for installation in rack cabinets. / 72cm depth 29.5 in. / 74.9cm including handle. Supports up to 50 lbs (22.7 kgs). Extendable shelf can accommodate tower units, monitors and other equipment. 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 in. / 71cm minimum and 46 in. Maximum Device Depth in. Minimum Device Depth in. 3.00 x 19.70 x 31.00. Unit Dimensions hwd / in. 1.750 x 19.000 x 29.500.