Eightwood Extruded Aluminum Project Box Electronic Enclosure Case with Flange DIY - 4.33" x 2.91" x 1.50"(LengthWidthHeight) Heavy gauge extruded aluminum construction Professional sandblast/matte anodized finish Built-in grooves for holding circuit board Excellent electromagnetic shielding performance Color:Silver l Outer dimension:4.33" x 2.91" x 1.5"(LWH) l interior dimension:4.33" x 2.44" x 1.38" (LWH)