fitting 14 is held in a rotatable and axially displaceable manner in the insert 3 by means of an annular fastening part 24 which is glued or welded by its outer lateral surface in the region 6c of the central bore 6 the fastening part 24 has a central bore 25 with a region 25a of smaller diameter and a region 25b of greater diameter a radially extending step 26 lies between the regions 25a and 25b the diameter of the bore region 25a matches the outside diameter of the region 14c of the fastening fitting 14 the diameter of the bore region 25b on the other hand corresponds to the outside diameter of the fastening fitting 14 axially outside of the peripheral step 19 the axial length of the bore region 25a of the fastening part 24 is shorter than the axial length of the region 14c of the fastening fitting 14 with the result that the fastening fitting 14 is axially displaceable to a specific extent inside the bore 25 of the fastening part 24 formed on the step 19 of the fastening fitting 14 and distributed over the periphery is a plurality of axially projecting relative to the region 14c radially projecting rotary stops 28 in a corresponding manner there is formed on the step 26 of the fastening part 24 and distributed over the periphery a plurality of axially projecting relative to the bore region 25b radially projecting rotary stops 27 assembly of the hand held shower described above is effected as follows first the shaped gasket.