Features High Texture: treated with sandblasting and oxidation for corrosion resistance and a premium feel. Instrument : Waterproof and ed design ensures in harsh environments for uninterrupted performance. Easy Assembly: Simple screw assembly and built-in groove for easy installation, operation, and portability. Lightweight Aluminum Alloy: Offers excellent heat dissipation and SIGN shielding in a lightweight package. Multi-Functionality: Versatile use for power amplifier, circuit board, decoder, and industrial equipment housing, providing practical solutions. Specification: Item Type: Aluminum Alloy Electric Box Color: Matte silver Material: 6063-T5 industrial extruded aluminum alloy profile Product Size: Approx. 45 x 120 x 160mm / 1.77 x 4.72 x 6.3in(there is a slight error in manual measurement) Aluminum Box Thickness: Between Approx. 1.25 ~ 1.5mm / 0.05 ~ 0.06in Product Structure: Integrated Product Use: Can be used for heat dissipation aluminum shell of electronic products, PCB wiring aluminum box, thunder aluminum shell, DIY, etc. Package List: 1 x Main Aluminum Alloy Shell Note: Please allow 1？3mm error due to manual measurement. Thanks for your understanding. Package List 1 x Main Aluminum Alloy Shell