Spurtar vernier caliper is designed with two sets of jaws and dual reading mode for measurement of outside dimension (OD), inside dimension (ID), step, and depth. Its excellent workmanship ensures the highest accuracy and smooth pulling, which is widely used in metalworking, woodworking, DIY measurement, scientific research and in industries where the highest accuracy is required. Meanwhile, the vernier calipers are also an ideal gift for your family or friends on Father's Day, Valentine's Day, Christmas, etc.