• Construction in extremely strong chrome molybdenum steel (Cr-Mo) for higher torque. • Corrosion-resistant black phosphate finish for longer life. • 6-point high-torque design that grips the flat sides of fasteners to prevent rounding. • High-visibility laser-etched size markings for easy reading in low-light environments. • 8-piece set with SAE sizes: 2-1/16, 2-1/8, 2-3/16, 2-1/4, 2-5/16, 2-3/8, 2-7/16 and 2-1/2 inches. • Includes blow-molded carrying case for organized and portable storage. • Designed for professional use on large vehicles, heavy machinery, and industrial equipment.