Abstract: A beading tool for working retaining arms of pieces of jewelry comprises a cylindrical shank and a head. In this case, the head comprises a cylindrical portion and a transition portion. The shank and the head are arranged along a shared central axis. In this case, the external diameter of the shank is greater than the external diameter of the cylindrical portion. Furthermore, the cylindrical portion is arranged on a first end of the beading tool, wherein the transition portion is arranged between the cylindrical portion and the shank. The head comprises an indentation on its front face on the first end.

Abstract: A multiple disk clutch with a multiple disk pack and a power transmission device for transmitting an actuating force through openings in a wall of the multiple disk clutch to the multiple disk pack, wherein the power transmission device has transmission fingers that extend through the openings. The openings are at least partially arranged in a first wall section of the wall extending in the axial direction. In addition, the present invention relates to a dual clutch device having at least one such multiple disk clutch.

Abstract: A multiple disk clutch with a multiple disk pack and a power transmission device for transmitting an actuating force through openings in a wall of the multiple disk clutch to the multiple disk pack, wherein the power transmission device has transmission fingers that extend through the openings. The openings are at least partially arranged in a first wall section of the wall extending in the axial direction. In addition, the present invention relates to a dual clutch device having at least one such multiple disk clutch.