1590A die cast aluminum enclosure. Some 1590A's are unfinished. These are finished/machined so you get a nice clean surface to work with.

High quality, durable, antirust
The finish is clean and smooth
Each enclosure comes with 4 screws
Easy to be machined, drilled
Bottom fits snugly with the top

Specs:
Color - Silver
External Dimensions - 92 x 38 x 31mm (3.62''x1.49"x1.22")
Internal Dimensions - 88 x 34 x 27mm