A kit comprising a sanitary ware product and a mounting system for mounting the sanitary ware product to a wall with its mounting holes (11, 13) being spaced from the supporting wall and providing access to the mounting system, as well as an allen key as respective tool with a key piece attached to the allen key and which is used to fix a rear connecting piece of the mounting system and a stud protruding from the wall to mount the mounting system; the kit further comprising: • a clamping piece which is provided with an allen screw that in turn interacts with a conical cavity on a stud bolt, • the rear connecting piece, • the stud bolt being provided with the conical cavity on it and which is fixed to the stud protruding from the wall in such a manner that the conical cavity on it will be positioned at the top, • the allen screw which will be fixed in and extends through a hole on the clamping piece as well as into the conical cavity on the stud bolt which is aligned and which will be operated through the hole of the sanitary ware product, • a washer which is mounted between the clamping piece and the rear connecting piece characterized in that the mounting system further comprises; • a plurality of extension pieces which are mounted between the clamping piece and the rear connecting piece such that the rear connecting piece is mounted to the extension pieces by turning it with the key piece on the allen key by 90° clockwise and in that the extension pieces are in a sufficient number depending on the distance (z) between the hole on the surface of the sanitary ware product providing access to the mounting system and a mounting point on the wall such that a desired number of extension pieces are positioned between the clamping piece and rear connecting piece in order to enable the usage of the mounting system with different mounting distances (z) in different lengths. • a clamping piece which is provided with an allen screw that in turn interacts with a conical cavity on a stud bolt, • the rear connecting piece, • the stud bolt being provided with the conical cavity on it and which is fixed to the stud protruding from the wall in such a manner that the conical cavity on it will be positioned at the top, • the allen screw which will be fixed in and extends through a hole on the clamping piece as well as into the conical cavity on the stud bolt which is aligned and which will be operated through the hole of the sanitary ware product, • a washer which is mounted between the clamping piece and the rear connecting piece • a plurality of extension pieces which are mounted between the clamping piece and the rear connecting piece such that the rear connecting piece is mounted to the extension pieces by turning it with the key piece on the allen key by 90° clockwise and in that the extension pieces are in a sufficient number depending on the distance (z) between the hole on the surface of the sanitary ware product providing access to the mounting system and a mounting point on the wall such that a desired number of extension pieces are positioned between the clamping piece and rear connecting piece in order to enable the usage of the mounting system with different mounting distances (z) in different lengths.