Premium CR-V SteelMade from drop forged and heat treated chrome vanadium steel (50BV30) with black phosphate finish. Set Includes 14 Pieces 1/2-Inch Drive Shallow Impact Socket Set:3/8", 7/16, 1/2", 9/16, 5/8", 11/1'', 3/4", 13/16'', 7/8", 15/16, 1, 1-1/16, 1-1/8, 1-1/4. High-torqueRadius corner design, 6-point opening reduces wear and increases torque on fasteners by placing force on fastener walls rather than fastener corners. Laser Marking High-contrast size marking is permanently laser etched and easy to read, even in low light. Service GuaranteeAll MIXPOWER Tools meet or exceed ANSI performance standards. It comes with 1 year quality guarantee.