Do-it-yourself universal wrench made of carob

The principle of operation of this key is similar to the principle of gas used by plumbers. However, there are no adjustments on the universal tool, it can be used up to sizes that will allow its sliding part to be placed. A wrench is made of a carob, the main thing is to choose a larger size.

If there is a broken key, having small locksmith skills, you can give it a second life by turning it into a new universal tool.