This is not the usual hideous extruded clamshell container. Or thin metal top plate clad with a bit of something Banjo box.
The extrusion is a one piece U-shaped anodized aluminum housing. Bottom plate is 1.25 mm painted steel. Back plate is 3 mm aluminum, and the extrusion itself is 4 mm aluminum.
So we have the perfect box for all of our projects -- nonmagnetic, thick aluminum, nonresonant, easy to mill and drill.

includes bottom bottom and back plate, 7mm faceplate, and 4mm chassis body. backplate cutout for IEC and punched for 4 prs RCA (or backplate cutout for IEC but NOT punched for RCA)
includes IEC connector receptacle
all other hardware purchased separately
70 x 170 x 240mm outside measurements
It is shown as the top chassis in the picture.
faceplate is 7mm x 80mm x 190mm and includes goldplated mounting bolts

1.25kg.
Shipping weight 2.5kg