TEKTON 3/8-Inch Drive Shallow Impact Socket Set, Inch, Cr-V, 12-Point, 5/16-Inch - 1-Inch, 12-Sockets | 47911 High-torque, 12-point socket design grips the flat sides of fasteners, not just the corners, preventing round-off Shallow socket depth provides access to fasteners in tight spaces 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