Product Parameter 1. Name: 4-part aluminum alloy bracket for RV solar panel as a set. 2. Material: ALUMINUM ALLOY, Silver. 3. Usage: It is used to install solar modules on the flat roof of yachts, cars and ships and fix them with screws. 4. Accessories: transparent PE bag, screw set, inner box, outer box. Packing specifications of aluminum alloy Z branch (bracket + screw package) One piece size: 100662mm Shipping Carton Size: 4 -Series Cardboard 7545108mm