The King Tony 3/8" Drive 21mm Standard Socket is a high-quality 6-point hexagon socket engineered for professional automotive, mechanical, and industrial use. Manufactured from durable chrome vanadium alloy steel, it offers excellent strength, long service life, and consistent torque handling. The polished chrome-plated finish provides superior corrosion resistance, ensuring reliable performance in daily workshop environments. Designed with a 6-point hex profile, the socket offers secure fastener engagement and reduced rounding. The inclusion of four ball retaining grooves ensures a stable, secure connection with the drive tool. Fully compliant with DIN 3124 and ISO 2725-1 standards, this socket guarantees precision, accuracy, and dependable professional performance.

• 21mm 6-point socket with 3/8" drive
• Strong chrome vanadium alloy steel construction
• Polished chrome-plated finish for corrosion protection
• Four ball retaining grooves for secure tool engagement
• Meets DIN 3124 and ISO 2725-1 standards
• Ideal for automotive, workshop, and mechanical applications