Pro Torque Tool's own line of Adjustable Torque Wrenches. Anywhere there's a high torque situation, an adjustable torque wrench should be close at hand. Not only will an adjustable torque wrench help make sure your fasteners are properly tightened, but it will help improve worker efficiency - two things which add up to an increase in productivity. Through a relatively simple arrangement of gears, an adjustable torque wrench makes the toughest nut-turning jobs a snap. Generally, an adjustable torque wrench is needed when a prescribed amount of torque must be applied to threaded fasteners having a diameter of one inch or more. Designed where high torques are necessary for fastening or breaking out stubborn fasteners. Allows operator safe and easy means of producing torque for job requirements.