The most advanced electronic products tend to be light, thin, short, small requirements, so the required wire also tends to be thin, short and high precision, just can play the maximum length light to the 50mm short line that is regarded as difficult to process, the total length is only 1mm, there is no difficulty, and at the same time can respectively feed, feed, withdraw the knife and peel the knife speed, The isolation line can also be forced to peel to 99mm long, eliminating the problem that the isolation line can not be completely peeled and hurt the heart line in the past.