Mechanical pressing tool including 3 pressing inserts, quick, tool-free pressing insert change without readjustment thanks to special fixing system, with locking device for consistent pressing results, pressing insert UEIQ6 for insulated cable connections from 0.5 - 6qmm integrated in the head, UEAE2R for wire end ferrules 0.14 - 2.5qmm and twin wire end ferrules from 2 x 0.25 - 2 x 1.5qmm, UEAE16R for wire end ferrules from 4 -6qmm and for twin wire end ferrules 2 x 2.5qmm integrated in the handle