- Dual Scale: English & Newton Meter (in·lb / ft·lb & N·m / kgf·m) - Designed for easy torque adjustment - Quality meets DIN ISO 6789:2017 & ASME B107.300-2010 standards - Torque tolerance: ±4% (CW) - CW/CCW Direction - Regular calibration necessary for accuracy - Suggested calibration period: at least every 12 months or 5000 uses