KREG Precision Miter Gauge SystemOne Miter Gauge with Everything You Need for Accuracy Why spend your time calibrating a miter gauge when you can get factory calibrated accuracy right out of the box? Our Precision Miter Gauge requires no calibrating, and features positive stops at 0, 10, 221 2, 30 and 45, making it easy to cut miters quickly. Of course, when you do want to cut a more complicated angle, the easy to use Vernier scale allows for fast adjustments to 1 10th of a degree.