TEKTON 1/2-Inch Drive Deep Impact Socket Set, Metric, Cr-V, 6-Point, 10 mm - 24 mm, 11-Sockets | 4870 High-torque, 6-point socket design grips the flat sides of fasteners, not just the corners, preventing round-off Extra-deep broach accommodates longer fasteners High-contrast permanent laser etched size markings are easy-to-read, even in low light Made from forged and heat treated chrome vanadium steel with a corrosion-resistant black phosphate finish Meets or exceeds ANSI performance standards