A set of panels for an assembled product, such as a furniture, comprising a first panel with a first main plane and a second panel with a second main plane, wherein the first and the second panel are provided with a mechanical locking device for locking a first edge of the first panel to a second edge of the second panel at a junction plane (J), wherein the first main plane is essentially perpendicular to the second main plane and the junction plane is extending between the first main plane and the second main plane, characterized in that : • the junction plane extends, in locked position of the first and the second panel, from an inner corner of the assembled product to an outer corner of the assembled product at an outer edge of the first and the second panel, respectively, • the first edge comprises an edge tongue that extends from the junction plane (J), • the second edge comprises an edge groove at the junction plane, wherein the edge tongue is configured to cooperate with the edge groove for locking together the first and the second edges in a first direction which is parallel to the junction plane (J), • the edge tongue comprises a tongue groove , • the edge groove comprises a flexible tongue arranged in an insertion groove , said flexible tongue is configured to cooperate with the tongue groove for locking together the first and the second edges in a second direction which is perpendicular to the junction plane, and • an outer corner at the junction plane (J) of the first and the second panel comprises a beveled edge , • the first edge comprises a first edge surface which is parallel to the junction plane (J), and the second edge comprises a second edge surface which is parallel to the junction plane, wherein the first edge surface is configured to cooperate with the second edge surface , • the first edge surface or the second edge surface comprises a recess which extend over the edge groove . • the junction plane extends, in locked position of the first and the second panel, from an inner corner of the assembled product to an outer corner of the assembled product at an outer edge of the first and the second panel, respectively, • the first edge comprises an edge tongue that extends from the junction plane (J), • the second edge comprises an edge groove at the junction plane, wherein the edge tongue is configured to cooperate with the edge groove for locking together the first and the second edges in a first direction which is parallel to the junction plane (J), • the edge tongue comprises a tongue groove , • the edge groove comprises a flexible tongue arranged in an insertion groove , said flexible tongue is configured to cooperate with the tongue groove for locking together the first and the second edges in a second direction which is perpendicular to the junction plane, and • an outer corner at the junction plane (J) of the first and the second panel comprises a beveled edge , • the first edge comprises a first edge surface which is parallel to the junction plane (J), and the second edge comprises a second edge surface which is parallel to the junction plane, wherein the first edge surface is configured to cooperate with the second edge surface , • the first edge surface or the second edge surface comprises a recess which extend over the edge groove . <EOS>