TEKTON 3/4-Inch Drive Deep Impact Socket Set, Inch, Cr-V, 6-Point, 15/16-Inch - 1-1/2-Inch, 7-Sockets | 4890 Designed for use with impact wrenches High-torque, 6-point sockets grip flat sides of fasteners, not corners, preventing round-off High-contrast permanent laser etched size markings are easy to read, even in low light Premium chrome vanadium steel construction with corrosion-resistant black phosphate finish Meets or exceeds ANSI performance standards