There is provided a clamp securable to a panel at an edge thereof said clamp comprising: a first clamping means comprising a first clamping surface; a second clamping means comprising a second clamping surface; and a locating component, wherein said first and second clamping means and said locating component in use interlock with each other so that said first clamping surface and said second clamping surface are positioned to press respectively against opposing faces of a panel positioned therebetween.