Engineered for heavy-duty mechanical work, including truck and industrial plant maintenance, this 15-piece metric socket set delivers exceptional durability. Each socket is precision machined and heat-treated to provide the ideal balance of hardness, tensile strength, and torque strength.

• Forged from high-quality micro-alloyed steel using hot or cold forging processes for maximum durability.
• Precision machined and heat-treated to optimize hardness, tensile strength, and torque performance.
• Features a tough blue finish recommended for FOD (Foreign Object Debris) applications to prevent flaking.
• Fully compliant with both American and European domestic and international standards.
• Designed for heavy-duty applications with torque capacities ranging from 3,700 to 18,000 in-lbs.