Connector for mechanical interconnection of a first panel to a second panel comprising: a first guide heel adapted for insertion into a first guiding recess of the first panel , the first guide heel having a first guiding direction , and a second guide heel adapted for insertion into a second guiding recess of the second panel , the second guide heel having a second guiding direction , a first resiliently arranged locking lug adapted for insertion into a first locking recess arranged in the first guiding recess , the first locking lug having a first locking direction which differs from the first guiding direction , a second resiliently arranged locking lug adapted for insertion into a second locking recess arranged in the second guiding recess , the second locking lug having a second locking direction which differs from the second guiding direction , wherein the first locking lug protruding from a surface of the first guide heel in an unloaded condition, which is an opposite condition to a depressed condition of the resiliently arranged locking lug and the second locking lug protruding from a surface of the second guide heel in an unloaded condition, which is an opposite condition to a depressed condition of the resiliently arranged locking lug , and the respective locking lug is resiliently arranged in the connector and is depressible into the connector when depressed such as the locking lug does not protrude from the surface , characterized by that at least one of the locking lugs is arranged at a resilient tongue arranged in a cut-out in at least one of the first or the second guide heels , or by that the first and second locking lugs are arranged at respective ends of a common u-shaped connecting element of the connector , which connecting element is flexibly arranged to the connector between ends of the first guide heel and the second guide heels . a first guide heel adapted for insertion into a first guiding recess of the first panel , the first guide heel having a first guiding direction , and a second guide heel adapted for insertion into a second guiding recess of the second panel , the second guide heel having a second guiding direction , a first resiliently arranged locking lug adapted for insertion into a first locking recess arranged in the first guiding recess , the first locking lug having a first locking direction which differs from the first guiding direction , a second resiliently arranged locking lug adapted for insertion into a second locking recess arranged in the second guiding recess , the second locking lug having a second locking direction which differs from the second guiding direction , wherein the first locking lug protruding from a surface of the first guide heel in an unloaded condition, which is an opposite condition to a depressed condition of the resiliently arranged locking lug and the second locking lug protruding from a surface of the second guide heel in an unloaded condition, which is an opposite condition to a depressed condition of the resiliently arranged locking lug , and the respective locking lug is resiliently arranged in the connector and is depressible into the connector when depressed such as the locking lug does not protrude from the surface , characterized by that at least one of the locking lugs is arranged at a resilient tongue arranged in a cut-out in at least one of the first or the second guide heels , or by that the first and second locking lugs are arranged at respective ends of a common u-shaped connecting element of the connector , which connecting element is flexibly arranged to the connector between ends of the first guide heel and the second guide heels . <EOS>