A quick learner from USA says:
March 17, 2014
Here is a picture of a plastic bracket that holds the rail. Metal rail is Unigrass 6600. Bracket is 4.5 in length, top 1.5 in, tapers to bottom 1in. Need right hand bracket. Do you have? Thanks
Tom from SWISCO responded:
March 18, 2014
This looks a lot like our 32-116. Check it out and see if you agree.