The invention relates to a prosthetic grip unit (1) having a base body (2) on which connection means (3) are disposed for fastening said grip unit to an upper extremity, at least two extensions (10, 20) protruding from said connection means, a first extension (10) being movable relative to the 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 first extension (10) is motor driven.
