Rhino Pipe Tube

Rhino PipeTube demonstration
The PipeTube incorporates strength, style and security to provide the best method of transporting copper pipe, conduit or similarly lengthy materials.
Innovative design and high specification materials have ensured the PipeTube has passed a rigorous testing process.
The PipeTube design enables the transportation of up to 50 x 15mm
copper tubes or similar materials.
The Side Mounted PipeTube is only available for modular roof racks in combination with a 3-metre PipeTube.

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I've just seen a neighbour taking a long thin bit of metal out of one of these and it says rhino pipe tube on the outside.
What is it for please and what could he be doing?hes just bought the house?