Byretech's riser rail sets are for the money, the best around.
Croydex Part Number : AM162041
Made from chrome plated steel and plastic they are easy to fit and come in a number of styles to suit your particular taste in bathroom riser rails.
Whether it's a simple sliding one or even a double shower headed version, they look great and are built to last.
Don't be fooled by the low purchase cost either, these riser rails are just as good as items 3 times the price found in designer bathroom stores.
They come with the fixings to install them too, so it's simply which style suits your individual bathroom.
All in all, they are terrific value for money.