While it had taken it averts it to it has used the Dremel on all some flanges except some interiors of some jaws. They are sure each one caliper in this row of prize will feel one same. To to A thing did not like is of some flanges of a steel were acute. I have not spent the plot to time on he this in spite of, basically loved it so only cleaned and the sure mark there was a lot of something rough in an interior. I took it in fact it averts and tried to polish an on the one hand sliding interior but concealed no really do the difference. It could take avert and sees can do something for the smoothest. I have seen digital callipers of load of port that the very worse slide that this one. He a lot of slide like smooth like my digital caliper but my digital one is better. The interior and the external measure is attentive. Thinking again, thinks that some frames are probably too small to in fact be engraved. They are lasers etched so only like each one another caliper so it does not know why has included says that. I assumed it it has meant it they were physically engraved to a steel more than just laser etched. An only reason has bought this vernier caliper in another economic some is why some type has left the description here saying some frames were engraved.