Tohnichi 100QL TORQUE WRENCH Ratchet Head Type Adjustable Torque Wrench, 20-100, 1kgf.cm, 1/4" Square Drive Torque Wrench HeadTohnichi 100QL TORQUE WRENCH Ratchet Head Type Adjustable Torque Wrench, 20 100, 1kgf. cm, 1 4" Square Drive Torque Wrench Head A Torque Wrench is a precision tool used to apply a specific amount of torque to a fastener (such as bolts or nuts) to ensure they are tightened or loosened to the correct specifications. This helps prevent damage to components and ensures safety and performance in applications like automotive, construction, and mechanical