27-in-1 Set: Explore the infinite possibilities in the subtleties. The precision screwdriver set is an essential companion for every craftsman who pursues precision. Gathering 27 commonly used specifications, covering a wide range of needs from electronic equipment to home repairs Excellent Quality: Made of high-quality CRV steel double batch head, the screwdriver head is durable and perfectly fits the screw, protecting every drilling and unscrewing, making work easy and efficient Magnetic Storage: Built-in magnetic compartment, 13 double-headed bits are neatly stored in the handle and are easily accessible, so you no longer need to worry about finding the right bits Ergonomic Design: With polyhedral surface treatment, it feels like your fingers and the tool are integrated when you hold it. Silent bearing design, and smooth rotation, making every tightening a pleasure Multi-functional Application: Whether it is the delicate adjustment of glasses and bracelets, or the complex disassembly of electronic products and large home appliances, the precision screwdriver set can be perfectly competent