[Simple to install]: Drill free, quick assembly. [Universal hook bore-hole]: Compatible with various of solar modules and photovoltaic systems. [Multifunctional uses]: Solar hook bracket can be used to fix solar panels, as well as to support other items for indoor and outdoor. [Quality Materials]: High-quality 304 stainless steel, high strength, UV resistance, strong stability, suitable for all environments. [Widely Application]: perfect for the balcony railing, post and rail fence, the RV window or other places with the railing to hang on.<br><br>Colour:Photo Color Material:304 stainless steel<br><br>Package Contents: 1 set of photovoltaic hooks (pack of 4)<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.