1/2" Square Drive Accuracy: Better than +/-0.5% of FSD (ringed*); +/-1.0% (ringless) Zero Drift: Less than +/-0.4% of FSD per degree Celsius Coil Cable: Separate 1 meter strain relieved cable required Overload Capacity: 150% FSD Drag Friction: Less than 0.75% rated torque or 0.1 Nm