Tire pressure gages

[TNTraveler]

Has anyone tried these gages. Found this on ebay. If they are any good it would be worth the $15.00. You can tell by a glance if u need air.

http://cgi.ebay.com/ebaymotors/SIX-TIRE ... 2eaa2cca95 (http://cgi.ebay.com/ebaymotors/SIX-TIRE-AIR-GAUGE-TRUCK-KENWORTH-MOTORHOME-RV-PARTS_W0QQitemZ200423557781QQcmdZViewItemQQptZMoto rs_Car_Truck_Parts_Accessories?hash=item2eaa2cca95 )

[Beaufort NC]

Well, it certainly looks like a good idea. Who's going to be the early adaptor?