DeWalt DWMT75111OSP Metric Deep Impact Socket, 21 mm x 1/2 Drive, 6 Point

Highlights:

• Metric
• 1/2 Drive
• Size: 21 mm
• 6 Point
• Recessed corners distributes torque across flats-promoting life
• Thinner than wrench sockets for tough to access areas
• Large laser etched markings-easily identifiable