6 Sliding Pin Vises For Holding Wire, Stock & Tubing. This is a new set of 6 sliding pin vises. Great for holding wire, stock and tubing. It has a slide for easy one hand operation. They have a capacity up to 0.032" (0.81 mm). Each measures approximately 4 1/4" (107 mm) longWe 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.