To get the best gas mileage out of that ’64 Caddy of yours, you’ll need to keep your tires properly inflated. This digital tire gauge with LCD display and built-in solar panel will help you monitor the situation. Psi, Bar, Kpa, and Kg/cm2 pressure settings can be checked. You can even measure the depth of the remaining tread on your whitewalls with the built in extendible depth ruler.

only bummer…made in China.
$19.56 @ wholesale-star