Junk catching device for catching junk traveling into a well, comprising: - an outer housing comprising an upper end and a lower end; - a bore provided inside the housing; - a receiving device provided in the upper end of the housing, where the receiving device comprises: - a receiving opening providing an opening into the bore; - a junk guiding device for guiding junk into the bore via the receiving opening, where the junk guiding device is configured to be provided in a run state, in which the outer diameter of a guiding section of the junk guiding device is less than or equal to the outer diameter of the housing, and in a set state, in which the outer diameter of the guiding section of the junk guiding device is larger than the outer diameter of the housing; - the guiding section is molded into a funnel-shaped body of which an outermost area is configured to be expanded radially into contact with the inner surface of the well in the set state; - the receiving device comprises a sleeve device fixed to an attachment section of the junk guiding device; characterized in that: - the sleeve device is axially displaceable within the bore of the housing; - the junk guiding device is further configured to be provided in a pull state, in which the junk guiding device is pushed into the bore of the housing - the guiding section is configured to be provided radially inside a housing of a setting tool in the run state, and where the setting tool, including the housing, is removed in the set state. - an outer housing comprising an upper end and a lower end; - a bore provided inside the housing; - a receiving device provided in the upper end of the housing, where the receiving device comprises: - a receiving opening providing an opening into the bore; - a junk guiding device for guiding junk into the bore via the receiving opening, where the junk guiding device is configured to be provided in a run state, in which the outer diameter of a guiding section of the junk guiding device is less than or equal to the outer diameter of the housing, and in a set state, in which the outer diameter of the guiding section of the junk guiding device is larger than the outer diameter of the housing; - a receiving opening providing an opening into the bore; - a junk guiding device for guiding junk into the bore via the receiving opening, where the junk guiding device is configured to be provided in a run state, in which the outer diameter of a guiding section of the junk guiding device is less than or equal to the outer diameter of the housing, and in a set state, in which the outer diameter of the guiding section of the junk guiding device is larger than the outer diameter of the housing; - the guiding section is molded into a funnel-shaped body of which an outermost area is configured to be expanded radially into contact with the inner surface of the well in the set state; - the receiving device comprises a sleeve device fixed to an attachment section of the junk guiding device; - the sleeve device is axially displaceable within the bore of the housing; - the junk guiding device is further configured to be provided in a pull state, in which the junk guiding device is pushed into the bore of the housing - the guiding section is configured to be provided radially inside a housing of a setting tool in the run state, and where the setting tool, including the housing, is removed in the set state.