Features: Engineered with ±5% high precise torques control and durability alloy steel construction, this preset torques screwdriver ensures accurate fastening consistency for critical applications like electronics assembly and machinery maintenance. The plated surfaces resists corrosions while clear torques scales on the steel handle enable instantly visual verification, eliminating guesswork during torques adjustments. Designed for professional in aerospace repair, automotive engineering, and industrial manufacturing, it equally serves enthusiasts requiring reliability torques control for delicate projects. Ideal for calibrating medical equipments, assembling precise instruments, or performing repetitive torques critical tasks in humid workshops and production lines. Compatible for 6.35mm hexagonal bit and standardized torques testing models (ASQ0.6/1.2/3/6), this versatile tool bridges laboratory grade accuracy with workshop ready durability across multiple industries. Specifications: Component: Alloy Size:Approx.161x23MM/6.34x0.9inch, 186x31MM/7.2x1.22inch Drive square head size: 6.35mm (hexagonal joint) ASQ0.6 torques Adjustment Ranges:0.1-0.6NM, ASQ1.2 torques Adjustment Ranges:0.2-1.2NM ASQ3 torques Adjustment Ranges:0.5-3NM ASQ3 torques Adjustment Ranges:1-6NM Scope of application:precise Instrument Screws, Industrial Equipment , Home Repair Option model:ASQ0.6,ASQ1.2,ASQ3,ASQ6; Package Includes: 1pc Preset torques Screwdriver 2pcs Bit note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.