6 Cross Locking Tweezers For Soldering Jewelry. This is a new set of 6 pairs of straight tip cross locking tweezers with polished steel jaws. These strong cross locking tweezers hold your work securely. Each measures approximately 6 1/4" (158 mm) long. We work hard to update our descriptions and pictures of our merchandise. As part of a process of ongoing innovation by our suppliers, newer versions of the item shown may be shipped before we are able to complete an update. As a result there may be a slight variation in color and design.