The invention relates to a prosthetic grip unit (1) having a base body (2) onwhich connectionmeans (3) are disposed for fastening said grip unit to an upper extremity, atleast two extensions(10, 20) protruding from said connection means, a first extension (10) beingmovable relative tothe second extension (20) from a protruding position into a flush position,wherein the pivot axis(14) has a perpendicular orientation to the base body (2) and the firstextension (10) is motordriven.
