It is a really magic tool set! This spring hinge assembly tool is specially designed for fixing screws into optical temples with spring hinge inside it. As we known, it is difficult to assemble the screw into the joint of spring hinge without any tools. Therefore, spring hinge assembly tool can help to align the temple with frame and make it very easy to throw the screw into the screw hinge.
Benefits: Help easily assemble spring hinge onto optical frame. Portable to carry Easy to use, saving time Customized logo printed on spring hinge assembly tool will be kindly allowed.