Reversible torque design for accurate torque on left-threaded and right-threaded fasteners. Easy to read analog scale window for setting torque in Foot-Pounds and Newton-Meters. 20 to 150 Ft. Lb. (30 to 210 Nm) range. Chrome vanadium ratchet gear. Fully heat treated handle. Meets ANSI specifications. Non-slip comfort grip. Worldwide patent.