A connection for the releasable interconnection of a tool (1) and a tool shaft (17), said connection including an upper joint member (11), a middle element (14) and a lower joint member (20), said upper joint member (11) including an upper fastener (16) for fastening to the tool shaft (17) and said lower joint member (20) including a lower fastener (26) for fastening to the tool (1), each of these joint members (11 and 20) including a pivot joint for articulated interconnection with the middle element (14), the axial alignments of said pivot joints being different, it being possible, by the exertion of an essentially rectilinear force on an operating member (31), to disconnect the tool (1) from the upper joint member (11).