Amazing at removing rounded nuts and bolts,;Never rounds off heads of nuts and bolts,;The more torque you apply the tighter they grip;Deep sockets;Lifetime guarantee.

• Grip-Tite 114. 3/8-Inch Drive Metric Rounded Bolt Removal Socket Set (7-Piece)
• Metric.

Grip-Tite 114. 3/8-Inch Drive Metric Rounded Bolt Removal Socket Set (7-Piece)Grip-Tite!