a flexible height - adjustable clamp for clamping a solar panel to a support structure or base , with flat surfaces on the upper and lower parts of the clamp , the upper section clamping on the panels ; and the lower section mounting against the base ; with a hole through both flat surfaces for bolting a connector through the surfaces to secure the clamp and panel to the supporting structure ; and a flexible section connecting the two surfaces in the form of an arc or folded section ; with mechanical stops to allow positioning to against said panel .