Mayur international is offering vernier calipers. The company manufactures and exports a wide range of jewelerrs & d.I.Y tools . These are manufactured in accordance with several international standards. These are specially developed for inside, outside and depth measurement. Columbus type vernier calipers have thumb controlled movement with locking device. Precision type vernier calipers have thumb controlled ball movement. These vernier calipers are graduated in both mm and inch size.