Williams MS-2-13H 13-Piece 3/8-Inch Drive Metric Shallow 6 Point Impact Socket Set,Snap-on Industrial Brand JH Williams,MS-2-13H" /> 13-Piece set Suitable for use with pneumatic and electric impact wrenches Designed for maximum 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