- Dual Scale: Newton Meter & English (N·m & ft·lb) - Designed for easy torque adjustment - Quality complies with DIN ISO 6789 & ASME B107.300-2010 standards - Torque tolerance: ±3% (CW) - CW/CCW Direction - Regular calibration necessary for accuracy - Suggested calibration period: at least every 12 months or 5000 uses