Williams MS-14-10HRC 10-Piece 1/2-Inch Drive Metric Deep 6 Point Impact Socket Set 10-Piece set Suitable for use with pneumatic and electric impact wrenches Designed for quick engagement on 6 point fasteners Sockets feature super torque lobular openings for greater turning power without deforming the fastener Specially heat treated for impact use to provide long life, safety, and durability