Features： 1、Sandblasting Oxidation Treatment: The aluminum box with surface sandblasting and oxidation treatment is corrosion resistant and has a high texture. 2、Waterproof Seals: Waterproof seals protects your instrument from working well even in harsh environments. 3、Simple Assembly: The screws are easy to assemble, which is easy to install, operate and carry, and the built in grooves is better for installing objects. 4、Aluminum Alloy: Aluminum alloy material, not only lightweight, but also has good heat dissipation and signal shielding performance. 5、Application: Widely used, suitable for power amplifier housing, circuit board housing, decoder housing, industrial equipment housing, etc. Specification： Item Type: Aluminum Alloy Project Box Colour: Matte Light Gray Material: 6063-T5 Industrial Extruded Aluminum Alloy Profiles Size: Approx. 27 x 131 x 120mm / 1.06 x 5.16 x 4.72in(There is a slight error in manual measurement) Aluminum Box Thickness: Approx. 1.25-1.5mm / 0.05-0.06in Structure: Split Type Use: Can be used for heat dissipation aluminum shell of electronics, PCB wiring aluminum box, lightning protection aluminum shell, DIY, etc. Package List： 2 x Main Body Aluminum Shell  2 x Slab 8 x Screw