Cable Tray Straight Sections CM20 Straight Sections Straight sections ( .187) have a grid pattern of 2" x 4" and are available in standard widths of 6", 8", 12", 18" and 24". Lengths can be ordered in 1', 2,' 5', 8' and 10' with a depth/height of either 2", 4" or 6". See finish chart for standard c...