Designed for a variety of uses such as tent poles, wind chimes, and more. Constructed with a constant 1/16 inch wall thickness to allow tubes to be nested together creating a telescope effect. Made of corrosion-resistant aluminum, will not rust. Lightweight in comparison to alternative materials, such as steel. National catalog Model No. 4206BC. No. N247528: Material: Aluminum, Outside Diameter: 3/4", Length: 4', Thickness: 1/16", Pkg Qty: 1 No. N247536: Material: Aluminum, Outside Diameter: 3/4", Length: 6', Thickness: 1/16", Pkg Qty: 1 No. N258442: Material: Aluminum, Outside Diameter: 3/4", Length: 8', Thickness: 1/16", Pkg Qty: 1 No. N247551: Material: Aluminum, Outside Diameter: 7/8", Length: 4', Thickness: 1/16", Pkg Qty: 1 No. N258467: Material: Aluminum, Outside Diameter: 7/8", Length: 8', Thickness: 1/16", Pkg Qty: 1 No. N342204: Material: Aluminum, Outside Diameter: 1", Length: 3', Thickness: 1/16", Pkg Qty: 1 No. N247585: Material: Aluminum, Outside Diameter: 1", Length: 4', Thickness: 1/16", Pkg Qty: 1 No. N247593: Material: Aluminum, Outside Diameter: 1", Length: 6', Thickness: 1/16", Pkg Qty: 1 No. N258483: Material: Aluminum, Outside Diameter: 1", Length: 8', Thickness: 1/16", Pkg Qty: 1 No. N263376: Material: Aluminum, Outside Diameter: 1-1/4", Length: 8', Thickness: 1/16", Pkg Qty: 1