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. Hex Impact Drive Socket Set – 19064F 7/32 in. Hex Impact Drive Socket Set – 19074F 1/4 in. Hex Impact Drive Socket Set – 19084F 5/16 in. Hex Impact Drive Socket Set – 19104F 3/8 in. Hex Impact Drive Socket Set – 19124F 7/16 in. Hex Impact Drive Socket Set – 19144F 1/2 in. Hex Impact Drive Socket Set – 19164F Metal Clip Rail