<b>RIMKOLO 3/4" Drive Dual-Direction Reversible High Quality Industrial Torque Wrench Set </b> <br><br>RAMTOOLS is dedicated to providing excellent tools to our customers. We focus on building a professional brand, the pursuit of service and high quality. We have a professional production team and a customer service team, to provide you with quality products at the same time, to provide satisfactory service. Welcome to contact us! <br><br><b>Product Specification:</b> <br>Measuring Range: 100-600ft.lb / 135-815Nm <br>Drive: 3/4-inch <br>Length: 11inch /28cm <br>Accuracy: ± 3% <br>Weight: 13.89 lbs / 6.3kg <br><b>Product Includes: </b> <br>1 x 3/4" Drive Torque Wrench <br>1 x Hex key allen wrench <br>1x Storage box <br><br><b>How to use?</b> <br>1. Pull-down "locking ring" and hold it! clockwise increase value, counterclockwise decrease value, turn the wrench until the set value is reached. <br>2. Loosen "lock ring", the”lock ring” automatically rebound and lock value. <br>3. Start using the wrench and apply some force to it. When you hear the"click", it means that you have reached the required strength. <br>4. After use, reset the torque wrench to 0 to maintain its life.