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 2x4, 3x3 and 4x4 tray stands. Six-pole works with 3x6 and 4x8 tray stands. Trellis netting not included.