6-Inch Vernier Caliper, SAE & Metric Measurements

Quality steel construction provides precise inside, outside, and depth measurements up to 6 inches (150mm). Knurled thumb lock and sliding wheel for accurate measuring and recording. Smooth, sliding action provides greater precision and control. Large open view window for clear sight of measurements. Dual scale provides standard measurements up to 1/16th of an inch, and metric scale to 1mm.