[Specification]: total length of about 6.5cm, mirror diameter of about 2.9cm, manual measurement has a certain error

[usage]: the needle threading device at the front end of the wire wear into the eye of a needle, the thread into the wire, and then the needle threader wire is drawn out from the eye of a needle, which would put the line into the eye of a needle the.

[remind]: the needle is too small or too thick should not be forced to pull over the line, very fine wire should not use brute force