| This is patented hand tool for tire exchange. This tool is pre-setted by optimum torque for fastening the tire nut. When loosing the tirw nut, Users can do very easy by gear module which is in the wrench. Please visit our web site www.shine-group.com. You can check the detail information. If you have any interesting, please contact to us thru shine @ shine-group.com Thanks Jesse Park | 
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