Is this needed if you purchase the hand held shower set (Grohe 28 574)?A. If you purchase the Grohe 28 574 set, the Grohe 28 403 hook is not needed. The hook would be used in place of a slide bar.
Will this mount fit the 28897 relexa ultra hand held shower head?A. According to Grohe, they recommend the 28 622 or the 28 623 wall mounted shower holder.
Is this bracket made of metal or plastic?A.
The Grohe 28 403 is made out of ABS plastic.