Comparison : Item # 61R-025.035-6D, 6061-T6 Drawn-SMLS Round Tube 0.250" x 0.035"
Item # 61R-038.035-6D, 6061-T6 Drawn-SMLS Round Tube 0.375" x 0.035"
Item # 61R-038.058-T6, 6061-T6511 Extruded Round Tube 0.375" x 0.058"
Item # 61R-038.065-6D, 6061-T6 Drawn-SMLS Round Tube 0.375" x 0.065"
Item # 61R-050.083-6D, 6061-T6 Drawn-SMLS Round Tube 0.500" x 0.083"