Soldax-Bloc It was presented as a product to avoid welding in the engine, a liquid with which the cracks or pores were filled and "supposedly" by chemical reaction it hardened, covering those cracks or pores. The can is unopened and still has all the contents inside, these cans are very rare and collectible, and it is almost impossible to find them unopened and with the contents inside. In fact, to open this type of can, it was necessary to drill holes in the lid, so once the can was opened, the lid was partially destroyed. That is why it is so important that it is UNOPENED, intact and with all the contents intact. CONSERVATION STATE: Well preserved, great graphics, tin in good condition, complete content inside, NEVER OPENED, we have included a large number of photos so you can see its s.