Perfect for repairing luxury wristwatches, vintage pocket watches, or precise instruments where space constrained screw access demands special equipment High hardness steel construction ensures wear resistance and anti bending strength, while the ergonomic nonslip handle enables precise control during delicate operations Autosharpening technology maintains optimally edging geometry, allowing seamless adaptation to screw head types to slotted designs Ideal for professional watchmakers and DIYer enthusiasts requiring reliabled tool for intricate timepiece maintenance tasks Precise crafted miniature screwdriver for watch repair combines grinding and tightening functions in a compact, metal tool designed for intricate horological adjustments, Manufacturer: Dezzhou