1、The exterior is treated with sandblasting and oxidation, which is corrosion resistant and has high texture. 2、Waterproof and sealed to protect your instrument even in harsh environments. 3、The case comes with screws, simple assembly, easy to install and operate and carry. 4、Suitable for GPS shell, circuit board shell, decoder shell, industrial equipment shell, etc. 5、This aluminum alloy shell is professionally designed, compact in structure and not easily damaged. 1 x Shell2 x Cover8 x Screw Item Type: Circuit Board Enclosure CaseProduct Specifications: IntegratedColor: Sandblasted and oxidized blackSize: Approx. 28 x 84 x 110mm / 1.1 x 3.3 x 4.3in (manual measurement, slight error)Material: Aluminum alloyScope Of Application: GPS shell, circuit board shell, decoder shell, industrial equipment shell, etc.Size: Approx. 80mm / 3.1in2mm / 0.1in 78.5mm / 3.1in 72.6mm / 2.9in77mm / 3in84mm / 3.3in 1.694mm / 0.1in 15.6mm / 0.6in24mm / 0.9in28mm / 1.1inRadius: Approx. 5mm / 0.2in