11 kinds of mouthpieces with different sizes: this kit includes 11 mouthpieces with different sizes and complete: to meet your different needs Ergonomic handle: the ergonomic dimple grain design makes the shaft non-slip and resistant to rubbing; The hex nut at the end of the rod can be rotated 360 degrees, allowing you to disassemble small parts more easily and accurately Ergonomic top The hex nut at the end of the rod can be rotated 360 degrees Effective Suitable for most electronic products, glasses, watches, drones, etc. 11 kinds of different size bits This kit comes with 11 different size bits and complete Precision Screwdriver Kit for Computer Electronics Repair laptops, computers, tablets, glasses, clocks and other devices