COTOUXKER Adjustable Torque Wrench, 5 to 30 Nm 30mm Open End Torque Wrench with Click and Changeable Head for Hvac Mini Split and Refrigeration System

【Interchangeable Head Torque Wrench】--This interchangeable torque wrenches are designed for use on production lines and other applications where a specific torque is required for repetitive operations. Interchangeable heads permit ratcheting, fixed, socket or open end torquing capability with adjustable torque wrench bodies. A push of the locking pin provides quick-change action, with a wide range of head styles to choose from., 【9*12mm Open End Head】--The torque wrench included a 30mm adjustable open end head. This hvac torque wrench can fit industrial, refrigeration system, hvac mini-split installation, automotive and aerospace applications control. It is also a great tool for torquing down flare nut connections on mini splits air conditioners., 【Accurate Digital Wrench】--Our small torque wrench features a durable ratchet head and delivers a competent torque force range between 5-30NM. Meaning it’s hugely versatile and suitable for a wide range of applications. It arrives pre-calibrated with a guaranteed accuracy of +/-4%., 【Reliable Click Wrench】-- When the wrench’s pre-set torque value is reached, a simple and reliable mechanical operation inside the handle produces a click sound you can hear and feel, alerting you to stop applying force., 【Easy to Use and Read】--The torque wrench is user friendly; just pull-down the "locking ring" to unlock. Clockwise increases the value and counter clockwise decreases the value. Then push-up the "lock ring" to lock your required torque. High-contrast Nm scale is easy to read and can be operated both clockwise and counter clockwise.