Application: Checked tightness and check tightening values Used in all industrial production areas Working ranges from 0.8 - 2000 N.·m / 7 lbf·in - 1500 lbf·ft are covered Construction: Indicator torque wrench with dial gauge and drag indicator 1/4", 3/8", 1/2", 3/4" or 1" double square drive with ball lock for controlled right and left suit Models No. Ads 4 to No. Ads 40: With integrated ratchet function For controlled screw tightening and torque measurements Display accuracy: +/- 4% tolerance of the displayed value Design according to DIN EN ISO 6789, traceable to national standard With double scale in N.·m and lbf·in or lbf·ft on double-tinted, easy-to-read dials Built-in overload protection - mechanical stop up to max. 25 % Overload of max. value Housing made of light, robust special aluminum construction - painted silver-gray Black, non-slip rubber grips Models No. Ads 4 to No. Ads 40: EPA (Electrostatic Protected Area) compliant, for use in electrostatically sensitive application