Aluminum Alloy Extrusion Profile Solar Panel Frame Bracket Double Glass Module Clamps Description of Aluminum Solar Panel Clamps: The clamp can be snapped into the desired position of the rail section and holds the PV module. The height can be adjusted to the frame height of the module using a hexagon socket screw. Product Name Framed Panel Clamps Installation Site Solar Mounting Rail Type Mid Clamp; End Clamp Material Aluminum 6005-T5 & Sus 304 Color Silver Or Customized