Action engineers provides repairs of vernier calipers to remove gaps between outer/inner jaws. These repairs, developed by the company are carried out by specialized technique to eliminate gaps between outer and inner jaws of vernier caliper of any make. In these cases of repairs there is no chances of material deposition ensuring no change in metallurgy of parent material. The company has calibrated caliper checker `o` grade slip gauges for ensured accuracy and parallelism of vernier calipers. The company also offers repairing of digital verniers, micrometers, dial gauges, bore gauges, height gauges, etc. The company provides calibration certification certificates in accordance to national standards [npl, delhi], conforming to iso9000 requirements. Major companies like abb, l&t, bhel, crompton, abc, and other reputed companies have approved the facilities of the company.