This is a brand new AV38 audio chassis. The front aluminum panel has 7MM thickness (available black, silver, and gold color). Also it has 2MM on the top and 1MM on others. 

External dimensions: length: 435MM, width: 306MM, height: 75MM

Internal dimensions: length: 410MM, width: 296MM, height: 52MM

Chassis net weight: 3kg

Accessories include: see the picture 

Have to tell me which color you buy. Thanks.