Genius Tools Hex Bit Socket 4mm Size 3/8 Inch Drive 140mm Length Durable Construction - 308+2634

Genius Tools Hex Bit Socket 4mm Size 3/8 Inch Drive 140mm Length Durable Construction - 308+2634 Professional Hex Bit Socket

This 3/8" drive hex bit socket is built for precise 4mm hex fasteners where consistent fit and reach matter. The 140mm overall length helps access recessed hardware, while the bit-and-socket design supports controlled torque with standard 3/8" drive ratchets and handles.

Made from high speed steel for strength and durability, it also offers anti-corrosive properties for demanding shop conditions. Size markings are stamped for quick identification and long-term tool organization in drawers, trays, or mobile service carts.

Key Benefits

• 4mm hex bit size provides a secure fit to reduce stripping.
• 3/8" drive works with common ratchets, extensions, and drive tools.
• 140mm overall length improves reach into tight or recessed access areas.
• High speed steel construction delivers high strength and long-term durability.
• Anti-corrosive properties help resist rust and wear in harsh environments.
• Stamped size marking supports fast identification and better tool organization.
• Meets or exceeds ANSI standards for dependable performance and safety.

Designed for professional technicians, the bit is securely attached while remaining interchangeable, supporting reliable everyday service work. Backed by a Genius Tools limited lifetime warranty against manufacturer defects, this socket balances durability, identification clarity, and consistent performance for repeated heavy use.