The Porter-Cable Twin Hammer 1/2 in. Drive Impact Wrench delivers a powerful 550 ft./lbs. of maximum torque for tackling stubborn automotive fasteners with ease. Featuring precision-engineered twin hammer mechanism technology, this professional-grade tool combines substantial power with exceptional control. The durable composite housing significantly reduces tool weight, minimizing operator fatigue during extended use. Its ergonomic design delivers powerful, balanced blows while reducing harmful vibration, allowing you to remove even the most stubborn lug nuts and bolts with minimal hand strain. Perfect for automotive enthusiasts, mechanics, and maintenance professionals who demand reliable performance and comfort.The variable speed trigger provides precise control for different fastening applications, from delicate assembly work requiring finesse to high-torque situations demanding maximum power.