Works perfectly. Only draw back is that the manufacturer asks that the car be started to use the jack. Not such a good idea to have your car running while changing a flat tire. Addtionally the small support legs could easily sink into a soft surface. My work around was a piece of steel plate to keep the device from sinking. Other than that, it works great, and if used in a garage or any other hard surface, can save a lot of time. A manual overide crank and case is included.
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