2. To be fair Double ring box end wrench
There is a ring or Circle steel end of the handgrip is attached to both sides of the edge of the Interior will be a wavy washer Hex nut driver to tighten the knots must be selected to use numbers to undo ring, fit the advantage is wearing out, it is not easy to keep the knots.The ring will be made at an angle to the handle HTTP level for easy access.
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