Incorrect tension is one of the most common causes of picking failure. Use of this tool provides an easy method to apply the correct amount of tension every time. All Torque and Tension tools provide a large opening diameter allowing unrestricted entry of picking tools. The dual prongs assure even torque, always keeping the plug in proper alignment. Incorporates Spring Loaded Adjustable Prong with Spring-Controlled Tension. The longer prongs hold open the dust cover, making it excellent for automotive use.