Our unimaran had a simple closed eye welded to the hound.
Found this eye bolt available in 6mm (rather large) at a UK chandlery. Imagine APS will have something similar.
![[Linked Image]](http://www.jimmygreen.co.uk/products/5254EyeBoltSS_compW.jpg)
Since there's no "load" that tube could be glued on? What is the source for the tube?