
Not really a solid box but a set of coated corner pieces that fit into the slots on the corner pieces. rattled in the corner slots, making the fuselage a little wobbly. I wanted to resize the case, so I bought thicker sheets of aluminum and cut them with a table saw. The cast corners worked great with the new thicker aluminum stock. I ended up with a nice, sturdy, custom-sized box, but spent twice the price and also spent half a day making it.