Die cast aluminum enclosure. Bud offers fifteen box sizes, each with a close fitting flanged cover fastened to bosses in the body with screws. This plus the thick of the #ADC-12 aluminum alloy, offers excellent screening properties. These lightweight, easy to machine enclosures have a number of uses: instrument and meter cases, filter networks, junction bosses, switching and many other applications requiring a small box. In addition, theyre ideal for concealed or other interior use where a safety closure is necessary. Cover include design. Natural finish. External measures 4-43/64" length by 3-43/64" width by 2-13/64" height; internal measures 4-15/64" length by 3-15/64" width by 2-5/64" height.