The LST1LP Shelf is ready to be mounted into a 23-inch (58.4 cm) frame (19-inch frame mounting is possible with optional brackets). These shelves are equipped two pivoting trays. Each tray will accommodate up to 150 feet of 3.0 mm slack jumper cordage. Five bend limiting drums are included with each tray to prevent bending fibers less than 3-inch (7.62 cm) diameter. The dimensions of these shelves are 17 inches wide by 11.5 inches deep by 2.5 inches high. This shelf has the exact same profile of the LGX® shelves.