... 10, 12 or 20 vertical wires. The horizontal ring spacing on the cage can be 4", 6" ... top does it have? (turned down flange top, ring top, split collar or rolled flange top) • If ... of bottom does it have? (split collar, split ring top) • Material type (carbon steel, mild steel, galvanized steel, 304 ... are made with metal holes instead of wires) • Horizontal ring spacing (4,6,8 inches. Typically 8 inches) ...