Aluminum Solar Module Mid Clamp and End Clamp Mounting Kits Structure System Short Description: The clamps are made of anodized aluminum/galvanized steel with the quality of corrosion-resistance and strong intensity. It can be used for different PV kits and different PV arrangements whichcan be interchange randomly. Product Feature: Flexibility: roof mount, pole mount, ground mount, ballasted mount, etc both for on grid and off-grid systems, for framed and frameless panels.