Zipbolt 13.801 Slipfix Rail Bolt Handrail Joiner

Description

Where would you normally use this particular Zipbolt?
To fix handrail between 2 fixed posts on a level plain.

How do you use it?
It is a little hard to put into words, but you can download PDF instructions here, and view a how-to-do video here, that should hopefully answer all of your questions.