Features Sandblasting And Oxidation Treatment: Surface with sandblasting and oxidation treatment, corrosion resistance with high texture Waterproof And Sealed: The electric project box is waterproof and sealed, works to protect your instrument even in harsh environments to work well Built In Groove: The screws are easy to assemble, easy to install, operate and carry, and the built in groove is better for installing objects, very convenient Good Heat Dissipation And Signal Shielding: Aluminum alloy material is not only light, but also possess good heat dissipation and signal shielding performance, very practical Widely Used: This electric box is widely used in power amplifier housing, circuit board housing, decoder housing, industrial equipment housing, etc. Specification: Item Type: Aluminum Alloy Electric Box Color: Matte black Material: 6063-T5 industrial extruded aluminum alloy profile Product Size: Approx. 24 x 64 x 80mm / 0.94 x 2.52 x 3.15in(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 2 x Flat Plate8 x Screw Note:Please allow 1‑3mm error due to manual measurement. Thanks for your understanding. Package List 1 x Main Aluminum Alloy Shell 2 x Flat Plate 8 x Screw