9pc Torx Hex Key SetHex Key Set are also called Allen wrenches. It exerts force on the screw through torque, greatly reducing the user's strength, and is an indispensable tool in the industrial manufacturing industry.
When in use, hold the handle with your right hand. The closer the hand is to the back, the more effort it takes to pull it up.
When turning the small nut, because of the need to continuously rotate the worm gear to adjust the size of the wrench mouth, so the hand should be held close to the lip of the wrench, and the thumb is used to modulate the worm gear to adapt to the size of the nut.
When pulling the rusty nut, you can put a few drops of kerosene or engine oil on the nut, so that it is easy to twist.
Light handle, plastic frame
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