ITEM NAME:Aluminum Junction Box Universal Electric Project Enclosure DIY 131x54x120mm Description: Product name: Extruded aluminum enclosure. Size: 131x54x120mm/5.1x2.1x4.7inch Separate upper and lower construction, easy to install.Built-in grooves hold circuit board. Unique wave shell design, excellent heat dissipation performance. Perfect for Rectifier, Controller, Amp, Power Converter, Computer, Projector, PCB, DIY Electronic Products, etc. Specification: Material:Aluminum Size: 131x54x120mm/5.1x2.1x4.7inch Package Includes: 1 Set Aluminum Enclosure 1 Set Screws Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. SKU: DMO0013474177013359.1 Set Aluminum Enclosure. Separate upper and lower construction, easy to install.Built-in grooves hold circuit board. Unique wave shell design, excellent heat dissipation performance. 1 Set Screws.