New Pin Chuck. This is a new pin chuck. Can be used with a Dremel tool. Small wheels and burs can be used on larger, polishing motors by threading onto tapered spindles. Holds drills up to 2.2 mm. Comes with 2 collets. It measures approximately 2 3/4" (70 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.