Sliding Pin Vise For Holding Earring Studs. This is a new nickel plated sliding pin vise. Great for holding earring studs. Has a knurled slide for one hand operation and a fine tip. The capacity measures approximately 0.032" (0.8 mm). It measures approximately 4 1/4" (107.9 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.