7 OUT OF 8 SETS ARE AVAILABLE! Box 2 is not included. High-torque 6-point design grips the flat side of fasteners preventing round off Forged, heat-treated chrome vanadium steel with a corrosion-resistant black phosphate finish Shallow-depth sockets provide access to fasteners in tight spaces Extra-deep broach on deep-impact sockets accommodate longer fasteners High-contrast permanent laser etched size markings are easy to read, even in low light Meets or exceeds ANSI performance standards Molded size markings in each storage case keep sets organized and identify any missing sockets