Gearwrench 80430 3/8″ Drive Hex Bit Socket 9mm is designed to help users effectively loosen and tighten internal hex fasteners. The socket features a heat-treated alloy steel base and S2 steel insert bits for maximum strength and durability. The bright, full polish chrome finish ensures easy cleaning and resistance to corrosion.Features: S2 steel insert bits offer maximum strength for demanding tasks. Heat-treated alloy steel base for added durability and tool life. Hard stamped size markings for easy identification. Double line (SAE) and knurled (metric) rings to distinguish between standard and metric sizes. Full polish chrome finish resists corrosion and wipes clean easily. Meets or exceeds ASME specifications for high-quality performance.Benefits: Ideal for loosening and tightening internal hex fasteners with ease. Durable construction ensures long-lasting tool performance. Clear size markings enhance tool selection speed and accuracy. Corrosion-resistant finish keeps the socket in top condition.Technical Specifications: Model: 80430 Drive Size: 3/8″ Socket Type: Hex Bit Socket Size: 9mm Material: S2 Steel Insert Bits, Heat-Treated Alloy Steel Base Finish: Bright, Full Polish Chrome