Vernier callipers and micrometersPrecision tools for measuring thickness, diameter and depth with extreme accuracy. Circumference & Bore MeasuringReliable instruments for internal diameter, pipe and bore measurements. Thread & Pitch GaugesAccurate verification tools for thread identification and pitch measurement. Standards & Gauge BlocksCalibration references used to verify and maintain measurement accuracy. Vernier callipers and micrometersPrecision tools for measuring thickness, diameter and depth with extreme accuracy. Vernier callipers and micrometersPrecision tools for measuring thickness, diameter and depth with extreme accuracy. Vernier callipers and micrometersPrecision tools for measuring thickness, diameter and depth with extreme accuracy. Vernier callipers and micrometersPrecision tools for measuring thickness, diameter and depth with extreme accuracy. Vernier callipers and micrometersPrecision tools for measuring thickness, diameter and depth with extreme accuracy.