4U vertical rack space on top front part for the DJ unit,another 10U slant rack space in the middle for mixer,Front cover can be used as desk,9mm plywood construction with laminated plastic covering,35 x 35mm aluminum section,heavy duty corners, heavry duty T Brackets,medium butterfly latches, medium recessed handles,Attachment rails (front/back),complete rack mounting component:washers, nuts and screws,front cover and rear doors.