If you're looking for a quality set of impact sockets--but don't want to break the bank--this is your set. Ten of the most-used 1/2"-drive Metric sizes in the versatile deep-well design. Quality constructed of heat-hardened Chrome-Vanadium steel--the same steel used to make truck transmission gears. Includes molded, secure-fit ABS case to keep your sockets clean, organized and ready for the next job. One-year warranty and Satisfaction Guarantee from Jack's Tool Shed.