Offers a beautiful appearance: The aluminum project box is an integrated die-cast part with an oxidized for a beautiful appearance. Faster heat dissipation: use high quality aluminum material, good heat dissipation and shielding signal performance. Compact size for convenient transportation: Professional design and compact structure, convenient to use and not easy to be . Easy to Install: Easy to install and remove. Wide Range of Applications: Can be used for heat dissipation aluminum case of electronic products, PCB wiring aluminum box, DIY power supply aluminum case, controller aluminum case, etc. Colour:black Material:aluminum Size:100 x 66 x 43mm Package Contents: 10 * Aluminum shell 20 * Board 10 * Matching screw Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.