Set of panels with a mechanical locking device

A set comprising a first furniture panel, a second furniture panel and a mechanical locking device for locking the first furniture panel to the second furniture panel, wherein:

• the first furniture panel comprises a first edge surface,
• the second furniture panel comprises a second panel surface,
• the first edge surface is facing the second panel surface in a locked position of the first and second furniture panels,
• the mechanical locking device comprises at least one rod-shaped element at the first edge surface and at least one insertion groove at the second panel surface,
• the rod-shaped element is configured to be inserted into the insertion groove,
• the mechanical locking device further comprises at least one first locking groove at the first edge surface and at least one second locking groove at the second panel surface and at least one locking part,
• the locking part is configured to be inserted into the first locking groove and the second locking groove,
• the locking part is configured to apply a locking force between the first and second furniture panels in an oblique direction in relation to the second panel surface, the oblique direction being at an acute angle to the second panel surface,
• at least part of the locking part is positioned in a first opening on the first furniture panel, and
• the first opening is positioned between a first panel groove located on a first panel surface of the first furniture panel and a second edge surface of the first furniture panel.