The King Tony 1/4"DR Hex Bit Socket 4mm x 37mm is a high-precision bit socket engineered for reliable performance in automotive, mechanical, and general workshop applications. Made from premium S2 silicon alloy steel, it delivers exceptional strength, durability, and resistance to wear—ideal for high-torque fastening tasks. Finished with a polished, chrome-plated coating, this bit socket offers superior corrosion resistance and long service life. Built to meet DIN 7422/3120 standards, it ensures consistent accuracy and a perfect fit with all compatible 1/4" drive tools.

• 4mm hex bit socket designed for precise engagement with hex fasteners.
• Manufactured from S2 silicon alloy steel for high strength and longevity.
• Polished and chrome-plated finish enhances corrosion resistance.
• 1/4" drive compatible with ratchets, torque wrenches, and power tools.
• Built to DIN 7422/3120 standards for professional accuracy and reliability.
• Ideal for automotive repairs, machinery maintenance, and workshop use.