Offers a wide variety of sockets for the beginner or experienced user need DirectTorque technology helps prevent rounding of fasteners Heat treated CR-440 steel construction Laser etched markings are highly visible for easy identification Black oxide coating helps prevent corrosion O-Ring and retaining pin compatible Includes: Twelve 3/8” 6pt Deep Impact Metric sockets Eight 3/8” 6pt Deep Impact SAE sockets Twelve 3/8” 6pt Impact Metric sockets Eight 3/8” 6pt Impact SAE sockets 3/8” Drive Impact 3” extension 3/8” Drive Impact Universal joint