These round tubes are aluminum alloy, very strong but light weight. Each size telescopes into the next corresponding size. For use in plumbing, HVAC and automotive. Great for scratch builders, modelers, crafts, machine shops and architectural applications

Product Features:

• Cut to desired length
• Tubes are individually bar coded for ease of sale
• Easy to bend and cut
• Endless project uses
• Round shaped hollow tube
• Its is easy to use
• It is highly durable