A set of panels, preferably for a furniture product, comprising a panel with a first main plane and an adjacent panel with a second main plane, wherein the panel and the adjacent panel comprise an angleable locking device for locking a first edge of the panel to a second edge of the adjacent panel, wherein the first main plane is essentially perpendicular to the second main plane, wherein the first main plane is parallel to an outer surface of the panel and the second main plane is parallel to an outer surface of the adjacent panel, wherein the angleable locking device comprises an edge groove at the first edge and a tongue groove at the second edge, the edge groove comprises a flexible tongue arranged in an insertion groove at a first side of the edge groove, said flexible tongue is configured to cooperate with the tongue groove for locking together the first and the second edges in a first direction which is perpendicular to the first main plane, and wherein the angleable locking device further comprises contact surfaces (96, 95) between the edge groove and the second edge at the first side and at a second side, respectively, of the edge groove for locking together the first and the second edges in a second direction which is parallel to the first main plane, characterized in that the angleable locking device is configured to be unlocked by an angling motion of the panel relative the adjacent panel, such that an angle between the first and the second main plane increases, that the angleable locking device is configured such that the flexible tongue moves out of the tongue groove by the angling motion, that the angleable locking device comprises a first space between the first edge of the panel and the second edge of the adjacent panel, wherein the first space is positioned at a second side of the edge groove, which is opposite the first side of the edge groove, and wherein the first space is positioned at an opening of the edge groove in a locked position of the panel and the adjacent panel, and that said first space is between a bevel of the first edge of the panel and a recess at the second edge of the adjacent panel. and wherein the angleable locking device further comprises contact surfaces (96, 95) between the edge groove and the second edge at the first side and at a second side, respectively, of the edge groove for locking together the first and the second edges in a second direction which is parallel to the first main plane, characterized in that the angleable locking device is configured to be unlocked by an angling motion of the panel relative the adjacent panel, such that an angle between the first and the second main plane increases, that the angleable locking device is configured such that the flexible tongue moves out of the tongue groove by the angling motion, that the angleable locking device comprises a first space between the first edge of the panel and the second edge of the adjacent panel, wherein the first space is positioned at a second side of the edge groove, which is opposite the first side of the edge groove, and wherein the first space is positioned at an opening of the edge groove in a locked position of the panel and the adjacent panel, and that said first space is between a bevel of the first edge of the panel and a recess at the second edge of the adjacent panel.