These Mini Add-A-Rails make it easy to travel with long tubing.  This system allows the user to thread two pieces of tubing together to form a single run.  Then when its time to travel you can split the tubes apart again and wow life just got easy.  The tubing size is 1 inch.  The tubing is sold in sets of 4 and feature an anodized black finish. 

Made of 6061 Aluminum. 

Set of 4