We have nabl calibration facility for following dimensional instruments: 1) vernier caliper 2) depth vernier 3) vernier height gauge 4) external micrometer 5) depth micrometer 6) inside micrometer 7) bore gauge 8) dial indicator (plunger type) 9) dial test indicator lever type 10) dial thickness gauge 11) pistol external caliper 12) internal caliper 13) feeler gauge 14) plain plug gauge 15) thread plug gauge 16) spline plug gauge 17) spline ring gauge 18) snap gauge 19) try square 20) universal bevel protractor.