"Precise and Accurate: Our 1/2-inch digital torque wrenches offer a torque range of 25-250 ft-lbs/34-340 Nm with an accuracy of ±2%. Each set comes with a calibration certificate, ensuring you can confidently and accurately tighten fasteners on your vehicle or equipment without causing damage.Durable and Reliable: Constructed from robust chrome vanadium steel, this heavy-duty torque wrench undergoes a rigorous six-step heat treatment process and a chrome-plated finish, providing superior rust and corrosion resistance. Furthermore, the smooth surface of the electronic torque wrench is easy to clean.Clear and Readable: Our digital torque wrench set features a high-definition LED display with built-in backlighting, ensuring clear readings even in low-light conditions. Four units are available-Nm, inch-lbs, ft-lbs, and kilogram-meters-giving you easy control.High-Quality Compatibility: This adjustable torque wrench comes with a drive adapter and extension bar, making it a versatile and extremely powerful tool. It's compatible with both 1/4-inch and 3/8-inch bolt sizes, and this 1/2-inch driven digital torque wrench is ideal for use in hard-to-reach places such as confined spaces or deep recesses.Highly efficient and convenient: The reversible ratchet head design allows for quick and easy one-handed socket removal and installation, significantly improving work efficiency and saving valuable time. Three working modes-real-time, peak, and preset memory-allow you to choose the appropriate mode for your needs, achieving efficient and fast operation. Experience the convenience and efficiency of our torque wrench today!"CR-V