General description This Teng Tools professional S2 hex socket bit is designed for use with a 3/8-inch drive. Made from durable chrome vanadium steel with a satin finish, it offers strength and corrosion resistance. The socket features a 4mm internal size, suitable for various applications requiring precise fitting. Its overall length is 49.5mm, providing a good balance between reach and control. Technical specifications Material: Chrome vanadium steel Finish: Satin Overall length: 49.5mm AF Size: 4mm Type: HEX MPN: M381504-C EAN: 5020385133396 Compatibility and accessories Compatible with 3/8-inch drive tools Suitable for use with standard hex bits and sockets Installation Insert the socket onto a compatible 3/8-inch drive ratchet or wrench Ensure the socket is securely attached before use Usage Use for tightening or loosening fasteners with a 4mm hex head Ideal for DIY, home improvement, and professional applications requiring precision Other information