ZOYE supplies a variety of wire cores for plastic or acetate eyeglass temples, which is in order to reinforce the temples, avoid them to get broken easily.
For wire cores with spring hinges and without spring hinges, we will meet one problem, how to choose its front hinge which should be inserted into frame front ? Here comes the answer below:
Usually for 90 degree front hinges, the front hinges should be installed straightly into the frame front ; while for 180 degree front hinge, there's usually one wrapped part on the frame front, the hinges could be heated installed from side. The photos below help you to understand easier.