Don't have a pic of it/them, but I have used the plastic box that screwguns come in. My former employer used Dewalt screwguns and the boxes were all piled in the corner, covered in ..... well you know. I asked if I could have them and they said sure.
Took them home, cleaned them, used on older eggcrate foam padding on the inside, and bought a long looped masterlock to lock the handle closed. (that might have been the Makita box). Made them out of most all the plastic boxes I could get for free.
The neat thing, they look like a screwgun box, nobody would think the wiser.