Ergonomic Nonslip Grip: Designed with a comfortable handle for secure and fatigue frees operations, perfect for prolonged hand craft or professional repair use Precisions: This set includes 4 screwdrivers designed for watch and bracelets maintenance, crafted from carbon steel for durability and rust resistance Accurate Fit for Small Screws: The 4mm width ensures matching with tiny screws, slippage or damage during delicate repairs Practical and: With a compacts size of 50.6mm in length and 6mm handle diameter, these lightweight tools are easy to carry, ideal for travel or daily use Multiple Maintenance Solution: Suitable not only for watches and bracelets but also for small electronics, meeting household and professional needs, Manufacturer: ZBIianxer