10 Double Ended Phillips Screwdriver Bits. This is a new set of 10 double ended Phillips screwdriver bits. Great for computer, electronic and auto repair. Each measures approximately 2" (51 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.