Precisions : This set includes 4 screwdrivers designed for watch and bracelets maintenance, crafted from carbon steel for durability and rust resistance Practical and Convenient : With a compacts size of 506mm in length and 6mm handle diameter, these lightweight tools are easy to carry, ideal for travel or daily use Accurate Fit for Small Screws : The 4mm width ensures precise matching with tiny screws, slippage or damage during delicate repairs Ergonomic Nonslip Grip : Designed with a comfortable handle for secure and fatigue frees operations, perfect for prolonged hand craft or professional repair use Multiple Maintenance : Suitable not only for watches and bracelets but also for small electronics, meeting household and professional needs