Pre-fabricated cable tray junctions 0.187 in. cold rolled steel have a grid pattern of 2" × 4" and are available in standard widths of 6", 8", 12", 18" and 24" with a depth/height of 2" or 4". All Junction/ intersections have a length of 2'./n/. Cm25 Drop 8"W × 2" Depth 2ft. Hardware, Computer, Raceways & Wire Duct