Crimping pliers comprising a) two hand levers , b) a pivot bolt via which the hand levers are pivotably connected to one another, c) two pulling bars linked to the hand levers at a distance from the pivot bolt , d) a crimping pliers head with da) a pliers head frame , db) a spring device and dc) a die half , which - is guided displaceably in the direction of a crimping axis on the pliers head frame , - is supported by the spring device on the pliers head frame in such a way that the spring device biases the die half in an opening direction, and - has a pivot bolt accommodation which is open on one side, e) the pulling bars being connected to the pliers head frame via coupling devices , the pivot bolt being arranged in the pivot bolt accommodation , a pivoting of the hand levers causing a relative movement of the die half with respect to the pliers head frame , and a movement of the die half and a pivoting of the hand levers taking place in a pliers head plane, characterized in that f) at least one coupling device , preferably both coupling devices, has/have a coupling recess (45; 46) open on one side and a coupling element (22; 23), wherein the coupling between the coupling recess (45; 46) and the coupling element (22; 23) fa) can be established by means of a pivoting movement of the pulling bar in the pliers head plane and by means of an entry of the coupling element (22; 23) into the coupling recess (45; 46) brought about by this pivoting movement, and fb) is secured by the spring device . a) two hand levers , b) a pivot bolt via which the hand levers are pivotably connected to one another, c) two pulling bars linked to the hand levers at a distance from the pivot bolt , d) a crimping pliers head with da) a pliers head frame , db) a spring device and dc) a die half , which - is guided displaceably in the direction of a crimping axis on the pliers head frame , - is supported by the spring device on the pliers head frame in such a way that the spring device biases the die half in an opening direction, and - has a pivot bolt accommodation which is open on one side, da) a pliers head frame , db) a spring device and dc) a die half , which - is guided displaceably in the direction of a crimping axis on the pliers head frame , - is supported by the spring device on the pliers head frame in such a way that the spring device biases the die half in an opening direction, and - has a pivot bolt accommodation which is open on one side, - is guided displaceably in the direction of a crimping axis on the pliers head frame , - is supported by the spring device on the pliers head frame in such a way that the spring device biases the die half in an opening direction, and - has a pivot bolt accommodation which is open on one side, e) the pulling bars being connected to the pliers head frame via coupling devices , the pivot bolt being arranged in the pivot bolt accommodation , a pivoting of the hand levers causing a relative movement of the die half with respect to the pliers head frame , and a movement of the die half and a pivoting of the hand levers taking place in a pliers head plane, characterized in that f) at least one coupling device , preferably both coupling devices, has/have a coupling recess (45; 46) open on one side and a coupling element (22; 23), wherein the coupling between the coupling recess (45; 46) and the coupling element (22; 23) fa) can be established by means of a pivoting movement of the pulling bar in the pliers head plane and by means of an entry of the coupling element (22; 23) into the coupling recess (45; 46) brought about by this pivoting movement, and fb) is secured by the spring device . fa) can be established by means of a pivoting movement of the pulling bar in the pliers head plane and by means of an entry of the coupling element (22; 23) into the coupling recess (45; 46) brought about by this pivoting movement, and fb) is secured by the spring device . <EOS>