Round Tube,304 Stainless Steel Round Tubing, Length 300mm, OD 21mm,ID 13mm/15mm/17mm Seamless Straight Pipe Tube (Size : OD 21x13 ID)
.com: RMP Carbon Steel Round Tube, 5 Inch Outside Diameter x 14 Ga. Wall Thickness, 36 Inch Length : Industrial & Scientific