Chassis Box - Made in Taiwan, Diecast Aluminum Rugged, diecast aluminum alloy (tough yet easy to machine), electronic instrument enclosure. Lap joint construction provides protection against access of dust and splashing water. Also provides for improved EMI/RFI shielding. Vibra finished for a smooth surface with no sharp edges. Four 6-32 x " machine screws secure lid - into tapped holes. Low side wall draft angle (2 degrees or less) for easy P.C. board mounting.