Hand Torque Multiplier 1.Manual type, Hand Torque Multiplier suitable for the occasions where it requests for high torque but power supply or space is limited. 2.Torque increasing system of precise planetary gears, compact structure, Strong and durable, easy maintenance, accuracy: ±5% 3.All Hand Torque Multiplier models are equipped with anti-returning device, to improve operation convenience and security 4.High torque/weight ratio, Hand Torque Multiplier assisted with manual torque wrench, to easily realize precise assembly of bolts/nuts. 5.Easily switch clockwise to anti-clockwise direction by the reversing bar and buttons.