how to keep gauge? pls look as follows:

1.      {C}after using the  xx gage(thread gauge) , we should clean up the dirt, then put in xx gauge box.

2.if you don’t use xx gauge for long time, you’d better to take care keep.

3. djustable thread ring gauge non Nonstoichiometry staff be adjusted to ensure measuring accuracy..

4.prohibit that the staff adjust the adjustable thread ring gauge, pls ensure the measuring accuracy.

5.prohibit screwing into threads, avoid to premature wear.

6.after use with oil and put into the box, that will be not rust for long time.