The Fast Fit Trellis Support System securely and easily attaches to your Fast Fit tray stands. Made of the same great quality materials with heavy-duty 1 in box steel that is powder-coated for durability. Each pole measures 4 ft in height and comes with six different hanging hook heights for maximum flexibility. Trellis netting can be secured horizontally or vertically. Four-pole works with 2ft x 4ft, 3ft x 3ft, and 4ft x 4ft Fast Fit Tray Stands. Six-pole works with 3ft x 6ft and 4ft x 8ft Fast Fit Tray Stands.