Package includes: 4 solar panel brackets for balconies and accessories Stainless steel solar panel hook: The stainless steel hook is used for framed solar panels. Easy to attach to the balcony railing. Easy installation: The balcony hooks make installation easier. The hooks are screwed into the existing holes in the modules. The modules can then be hung on the balcony and secured against detachment with another screw. With the included steel cables, the modules are fixed to the balcony, so the modules do not start to swing in windy conditions. Robust material: The balcony hooks for solar panels use stainless steel and are corrosion-resistant for a long service life. Universal compatibility: The balcony hook for solar panels is compatible with a wide range of solar panels and photovoltaic systems, making it a versatile choice for various applications.