Guess what it is?

It will be 11 pictures, please do not break.

Citing the garage in order, it was found an interesting device. It weighs about 3-4 kg. The halves of the "suitcase" twisted bolts. What do you think, what is it?





Photo 2



Photo 3



Photo 4
These bolts are tightened halves.



Source:

Tags

See also

New and interesting