No-Slip design in forged cro-moly steel grips flats of fasteners not the corners . Lifetime manufacturer's warranty. Comes in molded tray and includes these standard length 12 point impact sockets: 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22, and 24mm
1/2" Drive Metric 12 Point Standard Impact Socket Set - 13 Pc.