1.Manual type, suitable for the occasions where it requires 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 models are equipped with anti-returning device, to improve operation convenience and security;
4.High torque/weight ratio, assisted with manual torque wrench, to easily realize precise assembly of bolts/nuts;
5.Easily switch from clockwise to anti-anti-clockwise direction by the reversing bar and buttons.