1. Manual type, 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 is about 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-clockwise direction by the reversing bar and buttons.