Not only can you fill 2 tires at the same time and ensure that they are both at exactly the same pressure, you can stand up while you do it.
What more can you ask for from a tire pressure gauge? 
comes with a carrying case sort of like your mastercraft tool set, as well as a pair of batteries for the auto-illuminating gauge.
This is brand new.
I personally have nothing negative to say about these gauges… I’ve used it for my car every time I go to the track, several other cars as well as my bicycle and motorcycles as well.
Here are a couple of quick reads:
http://www.vulcantire.com/psiclops_extreme_gauge.htm
http://www.popularmechanics.com/blogs/automotive_news/4219068.html
http://www.fquick.com/blog/Psiclops_Extreme_Tire_Pressure_Monitor/455
$60
Picked up at my place in Oakville.
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Asking Price: $ (OBO)
Condition: New/Used
Location: City, Province
Will Ship?: Y/N
Contact Info: Send PM for contact details and to schedule a meet
Description: