UISOLAR frameless solar clamps are made of Aluminum 6005-T5 & EPDM and used for the framless solar panel installation. It's approved by First Solar & Canadian Solar & JA Solar. Thin Film Clamps especially for: 1.First Solar series 4 Modules 2.Canadian Solar CS6X-P-FG 3.Trina Solar Duomax TSM-PEG14. 4. JA Solar 5. Other panel with the thickness 4~9mm