Features and Benefits:

• The strategically placed micro-grips are one of the more noticeable design innovations of our non-slip Impactact socket line
• Now you can remove most bolts that have 75% of their corners stripped away
• Made of chrome-molybdenum alloy steel
• Provides increased strength, but also avoids rounding of rusted or damaged fasteners

This is an Impactact socket. It is 1/2 in. drive. It is a flip socket.