After much trying, we have found this "slider" and have more resignation than ordered him out of conviction. Chromed plastic was not our first choice, but the related market are not much to look at a rod diameter of 18 mm. Short and sweet ... easily installed for rapid delivery ... looks much better on the shower rod than expected and the main advantage is that this slider has two parking options - a and for determining the raising and lowering of the bar itself one for setting the shower head. This ensures in practice that the height adjustment is absolutely smooth and can be ascertained by a minimum of effort with your thumb and forefinger and the second the shower head can even also easily adjust or at an angle - and best of all, a heavy shower head can not gradually to tilt ultimately the risk that it falls down from the holder and then possibly damage the shower tray by the impact, because due to design of the shower head is held here during the lowering of the angle in an end position, the horizontal position the shower head holds - can not continue down and that's for damn good ... the rest of us tried out solutions that had not fact. Conclusion: very handy, but might be a bit high, designed; therefore "only" 4 stars