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Teach You How To Use A Wrench

Mar 14, 2017

Open wrench; open wrench also called the wrench, it is divided into single and double head two, the size of the opening can be adjusted according to the size of the different nuts, and some will be made according to the existing standard size can not be adjusted, Including the square, hexagonal, twelve kinds of these types, including twisted-shaped wrench, also known as the flower wrench, the most frequent use of the public at the point, it has the advantage of being able to use in a smaller space, the rotation is small, the scope of application Wider It is particularly convenient to disassemble hex nuts or bolts located at slightly recesses.