Endpiece 20c of the council, comprising a first leg (12) with a first grip member (20) and a first jaw part (22), a second member (14) with a second handle portion (24) and a second jaw (26), a pivot bearing (16) for the relative pivoting capability of the first leg (12) and of the second leg (14), and a ratchet device (80) for the fixation of relative positions of the first leg (12) and of the second leg (14), characterized in that the first jaw member (22) displaceably on the first leg (12) is mounted.
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