[Easier and more flexible installation] [Multiple bracket protections for solar panel mounting] Made of durable, UV-resistant and environmentally friendly ABS construction plastics. Used as a wind shield, its edges and four corners can protect solar panels from damage. PG7 waterproof cable glands are used for solar projects during wiring, two sizes of rubber rings, no more loose cables, no more loose fixing heads. [Promotes heat dissipation and purification] Robust side support for the solar system, specially designed height for ventilation and heat dissipation, and maintaining a cooling air gap between the solar panels and the roof/deck. There is room for a cleaning rack. [Widely used corner installation] Ideal for mounting on motorhomes, motorhomes, motorhomes, rooftops, car masks, garages, sheds, decks or any flat surface (aluminium, wood or GPR material). It can be used with any solar panel with an aluminum frame with a side length of 30 cm or more. Ideal for large solar panels with a power of 100 W and more. parameters: Material: Plastic Engineering Type: Double Hole colour white Double hole size: 108x99x44mm 4 squares: 6mm outer diameter 2,5 square: outer diameter 5 mm 6 squares: outer diameter 6.8mm Applicable wire range: 2,56 square meters Packing list: Bracket block x 7 Double Wire Hole x 1 Key x 1