Install a spring in the ends of the tube you are connecting using a supplied driver. Insert the slotted metal sleeve in either tube. Insert the alignment dowel. Slide the other tube over the inserted sleeve. Twist one or both tubes together. One spring threads inside and pulls on the other spring creating an extremely strong concealed connection. no screws, no epoxy. If needed the joint can be taken apart and then put back together in seconds. (Click on VIDEO below).
No hardware: Installs quicker, with no tools, assembles and disassembles in seconds and is completely concealed using no epoxy.