Set includes three high-strength breaker bars in drive sizes 1/4 inch, 3/8 inch, and 1/2 inch to fit a wide range of nuts and bolts. Movable head design allows adjusting angle and position for tight spaces and awkward access. Premium F-type lever provides high torsional force and stability, enabling the tool to handle difficult tasks with confidence. Made from premium 45# steel, this set is sturdy and erosion-resistant for lasting performance. Benefits at a glance - Versatile drive sizes cover common fasteners: 1/4, 3/8, and 1/2 inch drive. - Adjustable head for improved access in cramped or awkward locations. - Strong F-type lever delivers reliable leverage and control. - Durable 45# steel construction for long service life. Use scenarios - Automotive maintenance: loosen stubborn rusted bolts and lug nuts in engine bays or undercarriages. - Machinery and equipment servicing: work in tight or restricted spaces where extra leverage is needed. - Home workshop tasks: heavy-duty assembly, bike repairs, or equipment installation requiring high torque.