The unscrewing lubricant is a very high quality product created specifically to be applied in all cases where rust or oxide encrustations have blocked mechanical parts. Thanks to its high penetrating power, it quickly releases screws and bolts. The product in question is excellent as a lubricant, it eliminates friction, squeaking from hinges, locks and moving parts in general. Furthermore, it does not alter electrical conductivity and therefore can be used as a protector for battery terminals. The unscrewing lubricant also protects firearms from the corrosive action of gunpowder. Once you go to apply the unscrewing lubricant you will notice how this is a very high quality product._x000D_Brand CERMAG Weight 0.38kg