Use: Controlled tightening and verification of tightening values, For use in almost all industrial manufacturing areas, Working ranges from 0.8 - 200 Nm / 7 lbfB7in - 160 lbfB7ft are covered, Features: Dial-indicating torque wrench with dual scale and slave pointer, 1/4" , 3/8" , or 1/2" double square drive with ball lock for controlled clockwise and anticlockwise tightening, Versatile usage. Use for Maintenance, Repair, Assembly and Quality Control, For controlled screw tightening and torque measurements, Display accuracy: +/- 4 % tolerance of the indicated value, Acc. to DIN EN ISO 6789, traceable to national standards, With dual scale in Nm and lbfB7in or lbfB7ft double-tinted clearly readable face, 5 % overload of the maximum value, Housing made of light, robust special aluminium construction - painted silver-grey, Black, non-slip rubber handgrips, Model No. ADS 4 to No. ADS 40: EPA (Electrostatic Protected Area) compliant, for use in electrostatically sensitive applications, Test certificate acc. to DIN EN ISO 6789, Scope of delivery: Watch torque wrench, Battery (only models with option: Signal), Test certificate acc. to DIN EN ISO 6789, Delivery in a robust, black plastic box (No. ADS 4 to BDS 80), otherwise in sturdy cardboard packaging (No. BDS 100 to EDS)