1-1/2" OD 3A Polished Stainless Steel Tubing, 316L, Welded, 16 Gauge (.065") - 7' Length Item ID: T-0150-W-A270S2-065-6-3A-K7 Wall (spec): 16 Gauge (0.065") Material (spec): 316L Stainless Steel Length (spec): 7 Feet Tube OD (spec): 1.5"; Finish (spec): 20Ra MPID / 32Ra MPOD