2.125" x 2.125", 12 inches , 18 ga., Galvanized Steel 4 Dimension Slotted Strut Channel

2.125" x 2.125", 18 inches , 18 ga., Galvanized Steel 4 Dimension Slotted Strut Channel

2.125" x 2.125", 24 inches , 18 ga., Galvanized Steel 4 Dimension Slotted Strut Channel

2.125" x 2.125", 36 inches , 18 ga., Galvanized Steel 4 Dimension Slotted Strut Channel

2.125" x 2.125", 48 inches , 18 ga., Galvanized Steel 4 Dimension Slotted Strut Channel

2.125" x 2.125", 60 inches , 18 ga., Galvanized Steel 4 Dimension Slotted Strut Channel

2.125" x 2.125", 72 inches , 18 ga., Galvanized Steel 4 Dimension Slotted Strut Channel