PUNE: Jayesh Enterprises has launched plain ring gauges. It offers GO and NOGO rings and master setting sings used to check the OD of shafts. The master setting rings are used to set dial bore gauges to the required size.
The range for these is from 3.00 to 300 mm. The specification for these rings is IS3485 of 1983. the ring gauge is precision ground to high surface finish.