These accessories let you work with 1/4 inch or 1/2 inch square drive sockets using 3/8 inch handles. The maximum recommended torque for adapters with 3/8 inch female drive and 1/4 inch male drive is 450 in-lbs. The maximum recommended torque for adapters with 3/8 inch female drive and 1/2 inch male drive is 2000 in-lbs. For FOD (Foreign Object Debris) applications， the use of sockets with a blue finish is recommended so that no coating will flake off.

• Fabricated using high-quality micro-alloyed steel， hot or cold forged depending on their size
• Precision machined and heat treated to provide the best combination of hardness， tensile strength and torque strength
• All URREA sockets and accessories have a tough nickel-chromium finish for corrosion resistance
• Compliant with American and European domestic and international standards

 WARNING: This product can expose you to chemicals including arsenic， which is known to the State of California to cause cancer. For more information， go to www.P65Warnings.ca.gov