6016H-8.5N ~ Split Body Natural Aluminum Enclosure w/ Plain End Plates 8.5" L x 6.144" W x 3.090" H
The Split Body design is a 4-part enclosure. The top and bottom halves are extruded aluminum, with interior slots to hold circuit boards.. These parts are completely interchangeable, and fit together with a tongue on one side and a slot on the other.
The end caps have four (4) mounting holes and are affixed to the extrusion with self-tapping screws.