Insert for a clamping element, clamping element comprising said insert and universal joint produced therefrom

Insert comprises a casing element, which is inserted into the jaws (12, 13) of a clamping element (10), and a holding section (53, 54) for fixing the insert or part of the insert into one of the jaws of the clamping element. Independent claims are also included for the following: (1) Kit of inserts; (2) Clamping element; and (3) Hinge element (100) for the clamping elements Preferred Features: Two casing elements are provided for the jaws of the clamping element and are connected together via a connecting bar. The holding sections are straps and parts of the jaws of the clamping elements are surrounded between the assigned casing elements.