Eightwood Aluminum Electronic Project Box PCB Enclosure DIY - 4.33" x 2.44" x 0.98" (LWH), Smooth Top Striped with Fixing Points Flange Enclosure Heavy gauge extruded aluminum construction Professional sandblast/matte anodized finish Built-in grooves for holding PCB circuit board Excellent electromagnetic shielding performance Color:Gray | Outer dimension: 4.33" x 2.44" x 0.98" (LWH) | Interior dimension:4.33"x2.2"x0.83" (LWH)