Features and Benefits:

• Forged from the finest chrome molybdenum alloy steel
• Radius corner design - to extend the life of fasteners
• Ideal for working in tight areas
• Provides increased strength, but also avoids rounding of rusted or damaged fasteners
• Set includes: standard length impact sockets: 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22, and 24mm

This is an impact socket set. It has 13 pieces. It is 1/2 in. drive and 12 point. Design makes sockets strong and durable.