1、This is a presetting type torque screwdriver that automatically stop screwing when the screwed fasteners reach the presetting torque. 2、Presetting torque is adjustable from 0.5Nm to 3Nm. 3、You can use this torque screwdriver to achieve the accurate tightness degree of fasteners. 4、Ergonomically designed handle is easy to hold and operate. 5、With hex socket for connection with various types of screw bits. Features: This is a presetting type torque screwdriver that automatically stop screwing when the screwed fasteners reach the presetting torque. Presetting torque is adjustable from 0.5Nm to 3Nm. You can use this torque screwdriver to achieve the accurate tightness degree  of fasteners. Ergonomically designed handle is easy to hold and operate. With hex socket for connection with various types of screw bits. Applicable for screw locking of precision instrument, circuit board and other occasions where the screw locking is highly required.   Specification: Model: RTD-3 Range: 0.5-3Nm Division: 0.05Nm Accuracy: ±5% Total Length: 22.5cm/ 8.86in Weight: Approx. 504g/ 17.8oz   Package list: 1 * Adjustable Torque Screwdriver 2 * Screw Bits Note:  1. Due to the difference between display screens and light effects, the pictures may not reflect the actual color of the item. 2. Please allow slight measuring error due to manual measurement.  3. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.