7-Piece 3/8 in. Drive Triple Square Impact Drive 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. . Used on Volkswagens, Porsche, Audi and also Detroit diesel engines for transmission plugs, undercarriage, differential, front axle and caliper bolts Designed for professional tool users Made of high-quality alloy steel Engineered specifically for use with impact tools High torque drive increased strength, easier access to tight areas, and reduced wear . M5 Triple Square Impact Drive Socket - 1116S M6 Triple Square Impact Drive Socket - 1114S M8 Triple Square Impact Drive Socket - 1112S M10 Triple Square Impact Drive Socket - 1110S M12 Triple Square Impact Drive Socket - 1108S M14 Triple Square Impact Drive Socket - 1106S M16 Triple Square Impact Drive Socket - 1105S Metal Clip Rail 1207S