Homemade amplifier for open-end wrenches

Sometimes the efforts of the hands are not enough to unscrew the nut, and it is not possible to crawl with the head with the knob, then an amplifier is put on the key, this may be all that comes to hand. With frequent use of the pipe as an extension to the tool, it is worth considering the manufacture of a universal device, more convenient and reliable.

The key amplifier consists of two plates and three pieces of round timber welded together, it will not be difficult to make such a tool, and there will be a lot of benefit from it.