The comprehensive 66-piece precision screwdriver set includes 45 micro bits, 16 sockets, an ESD handle, a bit extension, a bit ratchet, and an adapter, covering all your needs. Delicate screw work, such as repairing electronics, model building, eyeglass and watch repairs, or smartphone repairs, can be completed in no time with this mini screwdriver set. Designed by professionals for professionals: the electrostatic discharge (ESD) handle of the screwdriver protects against discharge and provides maximum safety for electrical devices. The chrome steel bits promise a long lifespan. Thanks to the included bit adapter, you can use not only the delicate bits (4 mm) but also standard bits (1/4" hex). This makes the ESD Micro Set a perfect all-rounder for your workshop. The storage of the bit set is practical and functional. The labeling of the drive units on the lid and in the box creates order, and each piece has its own designated place.