This set includes seven high-impact Hex bit sockets, meticulously crafted from top-notch Chromium Molybdenum material for exceptional durability and reliability. The set comprises a range of sizes: H4, H5, H6, H7, H8, H10, and H12, catering to various application needs. Each socket has a 3/8" drive and a length of 60mm. They are made of CR-MO with a phosphate finish for protection. Manufacturer: US PRO.