Features High Texture: Surface adopt sandblasting and oxidation treatment, possess corrosion resistance and high texture Protect Your Instrument: The electric project box is waterproof and sealed, which will protect your instrument even in harsh environments to work well Easy To Assemble: The screws are easy to assemble, easy to install, operate and carry, and the built in groove is better for installing objects, helps a lot Light Aluminum Alloy: Aluminum alloy material is not only light, but also possess good heat dissipation and signal shielding performance Multi Function: This electric box is widely used in power amplifier housing, circuit board housing, decoder housing, industrial equipment housing, etc., very practical 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 protection 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