Eagle Panco® Roll-In Refrigerator Rack, aluminum model, frame, corner uprights, top and bottom constructed of 1″ square aluminum tubing. 1 7⁄16″ x 1 7⁄8″ extruded aluminum tray slides with raised beads to minimize friction. Slide spacing to be 2 1⁄4″, 3″, or 5″ to accommodate (24, 18, 11, or 36) trays. Furnished with 5″-diameter casters. Shipped assembled. Note: Model #UARR-64-A comes with 12 universal angle slides, accommodating a variety of pan/rack sizes.