This torque wrench is designed for assembly operations requiring precise torque control, ensuring each tightening reaches the predefined torque value, avoiding over-tightening that could damage screws or break the part. This torque wrench offers multiple specification options from 1.6 Nm to 14 Nm to meet the needs of screws made from various materials such as plastic, copper, aluminum, and iron. A versatile 1/4-inch hex interface, compatible with pneumatic wrench tips, adapter sleeves, extension shafts, and other accessories. The interchangeable bar design allows users to quickly change tips based on their needs, improving work efficiency. Features: 【High-Precision Assembly】: This torque wrench is designed for assembly operations requiring precise torque control, ensuring each tightening reaches the predefined torque value, avoiding over-tightening that could damage screws or break the part. It's especially suitable for fixing computerized digital control tools and other specific elements. 【Multiple Specification Options】: This torque wrench offers multiple specification options from 1.6 Nm to 14 Nm to meet the needs of screws made from various materials such as plastic, copper, aluminum, and iron. This ensures applicability and flexibility in a variety of applications. 【High Durability】: Each wrench is strictly calibrated before leaving the factory to guarantee accurate torque values and high repeatability. It's designed for a long lifespan and maintains a stable output torque even after prolonged use. 【Humanized Design】: The ergonomic design of the T-handle and curved lines increase comfort and make application more effortless. The wrench features an automatic release mechanism. When it reaches the defined torque, it immediately releases, effectively preventing over-torque and protecting both the user and the work object. 【Wide Applications】: A versatile 1/4-inch hex interface, compatible with pneumatic wrench tips, adapter sleeves, extension shafts, and other accessories. The interchangeable bar design allows users to quickly change tips based on their needs, improving work efficiency. This tool is adaptable to various work scenarios, making it a practical and efficient choice for any task. Note: Only turn clockwise, not counterclockwise! Specifications: Name: Defined Torque Wrench Material: Plastic and Metal Type: Small Wrench 1.6nm, Small Wrench 3nm, Small Wrench 4.5nm, Small 5.5nm Wrench, Large Wrench 8nm, Large Wrench 10nm, Large Wrench 12nm, Large Wrench 14nm (optional) Interface: 1/4 inch (6.3mm) Item Size: Small Wrench: 76.51 x 74.82mm / 3.01 x 2.95 inches Large Wrench: 122.8 x 97.48mm / 4.83 x 3.84 inches Item Weight: Small Wrench: 160g / 5.64oz Large Wrench: 240g / 8.47oz Package Size: Small Wrench: 90 x 90 x 30mm / 3.54 x 3.54 x 1.18 inches Large Wrench: 140 x 140 x 50mm / 5.51 x 5.51 x 1.97 inches Package Weight: Small Wrench: 280g / 9.88oz Large Wrench: 380g / 13.40oz Packing List: 1 * Defined Torque Wrench