3 Copper Curved Tip Tweezers For Pickling Compounds. This is a new set of 3 copper curved tip tweezers. Great for use with pickling compounds. These are anti corrosive. Each measures approximately 8 1/2" (215.9 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.