Formatting part for guiding containers in a container treatment installation

An apparatus for guiding containers in a container-treatment installation, said apparatus comprising a formatting part, wherein said formatting part comprises a first formatting-part-element, a second formatting-part-element, a first guide-device, a first container-guide rail, a first joint-element, a second joint-element, a first connection-joint, a first joint-carrier, and a second joint-carrier, wherein said second formatting-part-element is separated from said first formatting-part-element along a first direction, wherein said separation defines a first gap, wherein said first gap has an adjustable first-gap width, wherein said first guide-device is connected to said first and second formatting-part-elements, wherein said first guide-device comprises said first container guide-rail, said first and second joint-elements, said first and second joint-carriers, and said first connection-joint, wherein said first guide-device is configured such that adjustment of said first gap-width causes adjustment of said first container-guide-rail in a second direction, wherein said second direction is transverse to said first direction, wherein said first joint-element connects said first joint-carrier to said first formatting-part-element, wherein said second joint-element connects said second joint carrier to said second formatting-part-element, and wherein said first and second joint-carriers connect in a jointed fashion to said first connection-joint.