Slime 2007-A Pencil Tire Gauge, 5 to 50 psi

If you're ballasting your tires, regular monitoring of your tire pressure is essential. Make checking your air pressure a whole lot faster with Slime's Air/Water pencil tire gauge. It was designed specifically for ballast tires and easily clips onto a pocket, so you'll always know where it is. Make sure your tires are up to snuff with the Air/Water Pencil Tire Gauge.