Features: Precise crafted miniature screwdriver for watch repair combines grinding and tightening functions in a compact, metal tool designed for intricate horological adjustments. High hardness steel construction ensures wear resistance and anti bending strength, while the ergonomic nonslip handle enables precise control during delicate operations. Ideal for professional watchmakers and DIYer enthusiasts requiring reliable tool for intricate timepiece maintenance tasks. Perfect for repairing luxury wristwatches, vintage pocket watches, or precise instruments where space constrained screw access demands special equipment. Autosharpening blade technology maintains optimally edge geometry, allowing seamless adaptation to diverse screw head types to slotted designs. Specifications: This repair tool firmly fixes the screwdriver with a spring action and rolls the screwdriver to the correct angle with a grinding stone. This sharpener is a great tool to get the right angles and is easy to roll along the whetstone. Component:Metal Package Includes: 1pcs Screwdriver Grinding Tool note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.