11 Types of Mouthpiece in Different Sizes: This kit comes with 11pcs mouthpieces of different size and complete: to satisfy your various needs Ergonomic Shaft: Ergonomic dimple grain design makes the shaft anti-slip and friction resistant; The hexagon nut at the end of the rod can rotate 360 degrees, let you disassemble the small parts more conveniently and precisely Ergonomic upper The hex nut at the end of the rod can rotate 360 degrees, let you disassemble small parts more conveniently and precisely Efficient Suitable for most electronic products, glasses, watches, drones and so on. 11 Types of Mouthpiece in Different Sizes This kit comes with 11pcs end caps of different size and complete Precision Screwdriver Precision Screwdriver Kit for Electronics Repair for Laptop, Computer, Tablet, Glasses, Watch and Other Devices