The use of the vernier scale is shown on a vernier caliper which measures the internal and the external diameters of an object.

• Range: Maximum range of 6" (150mm).
• Durable stainless steel construction.
• Locking thumb screw for precise and repeat measurement.
• Metric and Imperial graduations with accuracy of +/-0.02mm.
• Suitable for internal, external, depth and stop measurements.