"Great fittings for a good price , i use these all the time on surface pipes going to towel rails etc A couple of tips..... 1. Don't use grips , only use spanners 2 . Throw away the brass olives supplied and use copper olives as they are much easier to tighten ."
"secured tube into one end and then the other, tightened it up. HEY PRESTO the direction has changed by 90 degress and water flows through it. NB tube is not supplied and has to be purchased seperately."