Micro screws have a wide range of applications, including various measuring tools (such as calipers, screwdrivers, nut runners, etc.) and cross tools (such as screwdrivers, cross screwdrivers, etc.). Although they are tiny, their role cannot be ignored. These micro screws are the soul of measuring tools, making measuring tools play an important role in accurate measurement. And among cross tools, they are an important part of achieving accurate disassembly and repair.