Features and Benefits:

• Designed to tackle the toughest jobs with solid durability and keeps them pounding job after job
• Forged from the finest chrome molybdenum alloy steel
• Durable and made to last
• Radius corner design extends the life of fasteners
• Polished nickel chrome finish

This is a 3/8 in. socket. It is 12-points and deep design. It is 3/8 in.