3/8" Drive Black Metric Hex Key Allen Wrench Bit Set for Impact Wrench

7-piece 3/8-inch drive metric hex driver impact socket set. Drop forged, heat treated Chrome-vanadium steel construction. Socket length: 3-inch - Sizes: 4 mm, 5 mm, 6 mm, 7 mm, 8 mm, 10 mm, 12 mm. Set completes with a ABS blow molded case for storage.