Carbon Steel Rectangular Tube: 0.5 in Wall Thick, 5 in Outside Wd, 3 in Outside Ht, 6 ft Overall Lg Model: Tr3x5x.5-72

Carbon Steel Rectangular Tube: 0.12 in Wall Thick, 3 in Outside Wd, 1 in Outside Ht, 4 ft Overall Lg Model: HTRT/31120-48

Carbon Steel Rectangular Tube: 0.065 in Wall Thick, 1 1/2 in Outside Wd, 3/4 in Outside Ht, Mill Model: CTRT/1500750065-24

2" X 4" X 0.25" Carbon Steel Rectangle Tube A500/A513

Carbon Steel Rectangular Tube: 0.12 in Wall Thick, 3 in Outside Wd, 2 in Outside Ht, 6 ft Overall Lg Model: HTRT/32120-72