35/40/45/50mm Aluminum 6063-T5 Metal Roof Solar Panel Clamps For Frameless PV Module Mounting Structures Product Descriptions: 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. Features: Name Size Material Surface treatment Photo 1 Photo 2 Middel clamp 35/40/45/50mm Aluminum 6063-T5 Anodizing End clmap 35/40/45/50mm Aluminum 6063-T5