Piramyd Precision is based in India and lists precision gauging instruments on Global Trade Plaza. The company offers Plain Ring Gauges and Plain Plug Gauges for dimensional inspection and instrument setting. The Plain Ring Gauges are manufactured in a range from 4.00 mm to 500 mm using OHNS and En 31 alloy steel. Blanks follow IS 3485 1983 and gauging practice follows IS 3455 1971. Each piece is ground and precision lapped after a heat treatment process that includes a subzero stabilization cycle for dimensional stability, and calibration is performed at 20 °C on a Carl Zeiss Horizontal Metro scope traceable to national standards. The Plain Plug Gauges are designed to IS 6137-1983 with a taper lock design and gauging practice to IS 3455-1971, using En31 material. Buyers can send an enquiry through Global Trade Plaza.