Silver Or Customized Thin Solar Panel Mounting Inter/Mid/End Clamps For Solar Energy Systems Inter/Mid/End clamps secure the solar panels to the mounting rails, and are used at the ends of the row of panels (in between panels, use the mid clamps). Aluminum solar panel clamps are applied to 35-50mm framed solar panels. They are use to fix panels on the rail in middle and end part. Short Introduction: Product Name Framed Panel Clamps Installation Site Solar Mounting Rail Type