13-Piece 3/8 in. Drive SAE and Metric Hex Impact Socket Set Grey Pneumatic supplies the world's automotive, industrial, assembly, mining, maintenance, construction and energy industries with heavy-duty, high quality impact and specialty sockets. GP sockets and tools are made using the highest quality chrome-molybdenum alloy steel and state-of-the-art manufacturing process and equipment. Through and exact heat treatment, as well as rigid quality control, ensures the correct balance of strength and durability to deliver outstanding performance at the most competitive cost. . Designed for professional tool users and made of high quality alloy steel Engineered specifically for use with impact tools High torque drive increases strength, makes it easier to access tight areas, and reduces wear . 3/16 in. SAE Hex Impact Socket - 1906F 7/32 in. SAE Hex Impact Socket - 1907F 1/4 in. SAE Hex Impact Socket - 1908F 5/16 in. / 8mm SAE/Metric Hex Impact Socket - 1910F 3/8 in. SAE Hex Impact Socket - 1912F 7/16 in. SAE Hex Impact Socket - 1914F 1/2 in. SAE Hex Impact Socket - 1916F 4mm Metric Hex Impact Socket - 1904M 5mm Metric Hex Impact Socket - 1905M 6mm Metric Hex Impact Socket - 1906M 7mm Metric Hex Impact Socket - 1907M 10mm Metric Hex Impact Socket - 1910M 12mm Metric Hex Impact Socket - 1912M Molded Storage Case 1298HC No -