Feature:1. WIDE APPLICATION: Can be used as power amplifier shell, circuit board shell, decoder shell, industrial equipment shell, etc.2. ALUMINUM ALLOY: Made of aluminum alloy material, with light weight, fast heat dissipation and good signal shielding performance.3. EASY INSTALLATION: Simple screw assembly, easy to install and carry, and the built in grooves for better installation objects.4. GOOD SEALING: The aluminum alloy shell is sealed and waterproof, and can work well even in harsh environments.5. SANDBLASTING SURFACE: The surface of the box is sandblasted and oxidized, with good corrosion resistance and high texture.Specification:Item Type: Aluminum Alloy Project BoxColor: Matte SilverMaterial: 6063-T5 industrial extruded aluminum alloy profileProduct Size: Approx. 58 x 110 x 100mm / 2.3 x 4.3 x 3.9in (there is a slight error in manual measurement)Aluminum Box Thickness: Between 1.25-1.5mmProduct Structure: Split TypeProduct Use: Can be used for heat dissipation aluminum shell of electronic products, PCB wiring aluminum box, thunder protection aluminum shell, DIY, etc. Package List:2 x Main Aluminum Shell2 x Plates8 x ScrewsNote:Please allow 1‑3mm error for manual measurement.