Feature: 1. The torsion value can be preset, and there is an audible alarm prompt, which brings more convenience. 2. Supports automatic switching between forward and reverse directions, simple and convenient to use in both directions. 3. The linear scale and the secondary scale are adopted, and the reading of the scale line is clear and accurate. 4. The outer shell is made of nylon material, which is strong and wear proof and has a long service life. 5. Straight and cross screwdriver bits are included, allowing customers to replace the screwdriver bits according to the items they want to measure. Specification: Item Type: Torsion Screwdriver Mateial: Iron + Nylon Color: As the Picture Shown Model: ZSQ-6 Range: 1-6 (N.M) Graduation Value: 0.1N.M Accuracy: ±6% Length: Approx. 156mm/6.1in Outer Diameter of knob: Φ39mm Connector Size: Approx. 6.35Hex Instruction: The economical preset Torsion driver is used to tighten the workpieces with Torsion requirements. The product operates clockwise and counterclockwise, and the Torsion value can be preset. If the screwdriver runs idly beyond the set value, the screw tightening can be controlled first. It is suitable for the occasions where the screw locking of precise instruments and the fixing of circuit boards are required to be high and the accuracy of the locking is high. It is widely used in various electrical, light industry, machinery manufacturing, scientific research structures and other industries. When the tightening Torsion of the fastener reaches the preset Torsion value, it can automatically send out a signal "click", accompanied by obvious hand vibration, indicating that the work is complete. After the force is released, all relevant parts are automatically reset. This Torsion driver implements the relevant regulations of GB/T15729——2008.. Package List: 1 x Torsion Screwdriver Body2 x Straight Screwdriver Bit2 x Cross Screwdriver Bit