Superbat Aluminum Project Box Aluminum Enclosure Electronic DIY 38*51*110MM External Dimensions:38mm(1.5")(H)x51mm(2.01")(W)x110mm(4.33")(L) Internal Dimensions:35mm(1.38")(H)x46mm(1.81")(W)x110mm(4.33")(L) Color:Silvery Good for electronic projects, power supply units, student projects, amplifiers, etc. Package content:1 base aluminum box , 1 kit of front/rear panel, 8 screws