9 Precision Screwdrivers Great For Watch, Electronic & Eyeglass Repair. This is a new set of 9 precision screwdrivers with spare blades Great for watch, electronic and eyeglass repair They are color coded for easy identification. This set is great for those on the move and can be stored when not in use. The tips are flat and measure: 0.6, 0.8, 0.9, 1.1, 1.2, 1.4, 1.6, 2 and 2.4 mm 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.