Features ALUMINUM ALLOY: Made of aluminum alloy material, with light weight, fast heat dissipation and good signal shielding performance. GOOD SEALING: The box has smooth surface, with good waterproof sealing, and can be used in harsh environments. SCREW MOUNTING: Equipped with screws, and the built in grooves for better installation, easy to use and carry. SANDBLASTED TREAT: The surface of the aluminum box is sandblasted and oxidized, with good corrosion resistance and high texture. WIDE APPLICATIONS: Can be used as power amplifier shell, circuit board shell, decoder shell, industrial equipment shell, etc. Specification: Item Type: Aluminum Junction Box Color: Matte Blue Material: 6063-T5 industrial extruded aluminum alloy profile Product Size: Approx. 26 x 108 x 120mm / 1 x 4.3 x 4.7in (there is a slight error in manual measurement) Aluminum Box Thickness: Between 1.25-1.5mm Product Structure: Integrated Product Use: Can be used for heat dissipation aluminum shell of electronic products, PCB wiring aluminum box, thunder protection aluminum shell, DIY, etc. Package List:1 x Main Aluminum Shell2 x Plates4 x Screws Package List 1 x Main Aluminum Shell 2 x Plates 4 x Screws