13 Piece Impact Socket Set1/2" Sq DriveChromoly Steel Total Drive SocketsHardened and heat treated Chrome Molybdenum steel Total Drive impact sockets with a phosphate finish for corrosion resistance. All are suitable for Spline, Metric Hex and Metric Bi-Hex and many are equivalent to TRX-Star , Whitworth, Imperial Hex and Imperial Bi-Hex. Suitable for use with air/electric impact guns. Supplied in storage caseFeatures: Hardened and heat treated Chrome Molybdenum steel Total Drive impact sockets with a phosphate finish for corrosion resistance. All are suitable for Spline, Metric Hex and Metric Bi-Hex and many are equivalent to TRX-Star , Whitworth, Imperial Hex and Imperial Bi-Hex. Suitable for use with air/electric impact guns. Sizes: 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22, 24mm. Supplied in storage case. Lifetime guarantee . Specification: Quantity of Sockets -13 Type -1/2"Sq DriveStandard Contents -10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22, 24mm Net Weight -1.43kg Further Information We sell a wide variety of tools and workshop equipment for both the DIY and Professional markets. Alias: ys01224 Loops 13 Piece Impact Socket Set - 1/2" Sq Drive - Chromoly Steel Total Drive Sockets in Metallics