Comparison : Item # 2169R-025.020-1, 2169 CL.1 and 2 Weld and Drawn Round Tube 0.250 x 0.020
Item # 316R-025.049-S, 316/316L CD SMLS Round Tube 0.250 x 0.049
Item # 321R-031.035-S, 321 CD SMLS Round Tube 0.312 x 0.035
Item # 2169R-038.020-1, 2169 CL.1 and 2 Weld and Drawn Round Tube 0.375 x 0.020
Item # 316R-038.049-S, 316/316L CD SMLS Round Tube 0.375 x 0.049