Our Metric 1/4", 3/8", and 1/2" Drive Socket Set features 6-point sockets with FOUR FLAT™ Sides that prevent rolling and are wrench-ready. The socket sizes are laser-engraved into each socket for easy-to-read visibility. These sockets have optimized geometry to reduce bolt rounding and stripping. It also comes with a reinforced EVA foam tray with easy-to-read size labeling that provides quick tool identification for ultimate organization. The trays fit in PACKOUT™ Drawers (48-22-8444, 48-22-8443, 48-22-8442, 48-22-8447). This set is backed by our Mechanics Hand Tools Lifetime Guarantee.