Aluminum Box Enclosure Case -4.33"*2.05"*0.51"(L*W*H)

Features: Dimensions (outer):13mm(0.51")(H)x52mm(2.05")(W)x110mm(4.33")(L) Dimensions (inner): 11mm(0.43")(H)x50mm(1.97")(W)x110mm(4.33")(L) Heavy gauge extruded aluminum construction Professional sandblast/matte anodized finish Built-in grooves hold circuit board  Excellent electromagnetic shielding performance Built-in grooves can hold circuit board without screw Good for electronic projects, power supply units, student projects, amplifiers, etc., thanks for it heat sink nature, electromagnetic field protection and robust construction. color:silvery notice:screw included.