Our products are thicker, high in quality, weather resistance, and are made of stainless steel to the durability of hooks. The balcony hook solar module is easy to install and equipped with a installation screw and Sturdy: The corrosion-resistant solar panel holder is and compact, thin but very solid. which can support solar panels better, and have no burden on the railing. The hook of solar panel balcony is compatible with various solar panels and photovoltaic systems, so it is a multi -functional choice for different applications Colour:Silver Material:Stainless steel Size:20cm Package Contents: 2 * hooks 2 * wire ropes 1 set * accessories 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.