Drill Bit Pin Vise Tool Chuck Mandrel fits Dremel New. This is a new pin chuck. Can be used with a Dremel tool. It measures approximately 1 15/16" (49 mm). Has a 3/32" (2.5 mm) shank. 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.