Features: The accuracy torques screwdriver features a adjustable preset system with LTDK technology, delivering accurate torques control (±3% variance) for delicate fastening tasks while constructed from solid steel. Engineered with a full coppers cores and bidirectional rotation capability, this nonslip screwdriver ensures corrosion resistant performances and multifunctional operation across clockwise/counterclockwise applications. Ideal for professional technicians, watchmakers, and electronics engineers requiring millimeter level torques accuracy in aerospace assemblies or component repairs. Optimized for accuracy workshops, laboratory equipment maintenance, and industrial production lines where over tightening prevention is critical for sensitive machinery. Its ergonomic knurled handle with rhombus textured grip enhances torques transfer efficiency by 22% compared to standard models, backed by solid material. Specifications: Material:Steel Size:Approx.23x3.1cm/9.06x1.22inches Type:103290/1032901/1032902/1032903(Optional) Package Includes: 1Pc Adjustable Preset torques Screwdriver note: Please allow 1-3cm error due to manual measurement. please make sure you do not mind before you bid. Due to the differences between different monitors, the picture may not reflect the actual color the item.