A 3/4 inch drive torque wrench is a tool used to apply a specific torque to a fastener, such as a nut or bolt. It is designed to help tighten bolts to the proper tension, which can be important for ensuring the integrity of a structure or machine. The Jetech brand TQW3/4-150-800 is a classic adjustable torque wrench with a torque range of 150-800 Nm. It is made with a high-quality steel construction and has a comfortable grip handle for easy use. The wrench also features a clear and easy-to-read scale, making it simple to set and apply the desired torque. Overall, this torque wrench is a reliable and durable tool that can be used in a variety of applications where precise torque is required.