21 Precision Screwdrivers Great For Watch, Electronic & Eyeglass RepairThis is a new 21 piece precision screwdriver set. Great for watch, electronic and eyeglass repair.You receive: 6 Flat head screwdrivers with tips that measure: 1, 1.4, 2, 2.4, 3 and 3.8 mm 5 Nut drivers that measure 3, 3.5, 4, 4.5 and 5 mm 5 Wrench heads that measure 4, 4.5, 5, 5.5 and 6 mm 3 Hex head screwdrivers that measure 1.5, 2 and 2.5 mm 2 Philips head screwdrivers sizes #0 and #1. One carrying case that measures approximately 10" x 5 1/4" x 3/4" (254 x 133 x 19 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.