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Title: Works for me.
Review: I've had this for several months now and use it on my 15 inch passenger car and truck tires. It rapidly boosts pressure on up to about 34 PSI, after that, the pressure raises very slowly. I usually keep my tires at 35 PSI but found that I can save a lot of time by setting it to 33 PSI. This should work well for most passenger cars. The auto shut off is neat and the pressure gauge agrees with my old tire pressure gauge. I would have to guess that it is pretty well calibrated. For the price and functionality, it beats the heck out of using the old bicycle hand powered tire pump.
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