Our Precision Miter Gauge requires no calibrating, and features positive stops at 0°, 10°, 22-1/2°, 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. Perfect Miters, Fast. Precision is the name of the game for this CNC-milled miter gauge. We build accuracy into every feature of this product from the adjustable miter bar to the easy-to-use, incredibly accurate Vernier scale. With all of its great features, this miter gauge will give you better, more accurate cuts to ensure project success. Precision Vernier Scale Setting exact miter angles are simple thanks to the Vernier scale on the Precision Miter Gauge. It lets you set angles at exact degree increments down to 1/10th of a degree. No Play in the Miter Slot Our extremely straight 24 in. anodized aluminum bar is 3/8 in. T by 3/4 in. W, and features 5 bar adjusters that you can adjust to eliminate "play" in the miter slot with the simple turn of a screw driver.