Sunday, July 24, 2011

How to use Box Wrench as extension

Open-wrenches are often shorter than Box or Closed-Wrenches.  The reason is to prevent over forcing the open-wrench in either tightening or loosening bolts and nuts.  Doing so could make corners of bolts and nuts rounded and more difficult to work on.

On some occasions, it is impossible to use a box-wrench in tight spots where only open-wrench can only be inserted but does not have enough length for leverage.  A suitable box-wrench of the same size can be used as extension for the open-wrench for more leverage.  This can be used to either loosen stubborn bolts and nuts or tighten them.  Make sure to use insert the box-wrench properly as shown on the photo.

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