SCH 40 Pipe 5"(5.047 ID) X 5.563 OD – Des Moines Steel Inc.
Steel Pipe 2-1/2" Sch 40 ( 2.87 OD x 2.5 ID) – OmniSteelSupply
Chain Link 6' Long x 1 5/8" Round Residential Fence Pipe Tubing [0.065" Wall] (Single Piece)- (Galvanized Steel) - Chain Link Fencing Tubing and Pipe Galvanized - Chain Link Fittings | Chain Link Fittings
5 Ft. Round Pipe 9 Inch. 26G
Master Flow 5 in. x 5 ft. Round Metal Duct Pipe CP5X60 - The Home Depot
5.5" Exotic Wood Pipe PRO 420 Smoke Shop- PRO 420
PVC Pipe & Fittings at Lowes.com
Amazon.com: 1 Inch Diameter Clear PVC Schedule 40 Pipe [Pipe ID 1.029 inch, OD 1.315 inch] (Bluish tint), Choose Your Length (5 Inches to 8 Feet) (Selected Length: 10 Inches) : Industrial & Scientific