ALUMINUM ENCLOSUREThe box most preferred by major electronics magazines because of quality & versatility. This heavy-duty enclosure is made of high-quality die-cast aluminum. The enclosure acts as an excellent heat sink, which makes it great for high temperature circuits (up to 600C). Assembly screws included.Features:Dimensions: 4.4"L x 2.3"W x 1.1"D UnpaintedScrews included