Solar Panel Universal 4-corner Drill-free Glue Mounting Brackets for Rv, Marine and Flat Roof Installations - Black Can be safely bounded to the surface removing the need to drill holes. Universal and can be used with any aluminum frame panel without any modification. Panels are automatically mounted with adequate ventilation for optimal performance easily glued on with Sikaflex 252, 291 ( Not Included ) Includes 4 glue-on corner mounts