A clamping assembly for securing together a pair of adjacently located panels. The clamping assembly has a retainer member having a groove therein, the groove extending linearly in a first plane disposed angularly with respect to a second plane intersecting the nose portion and defining a pair of open ends located in the first plane. The clamping assembly also has a tab member, the tab member adapted to be received within the groove of the retainer member via one of the pair of open ends of the groove, wherein the tab member is adjustable in position within the groove along the first plane.