One of a comprehensive range of Premier Hand Tools, suitable for daily professional use. Hardened and heat treated Chrome Molybdenum steel impact sockets with a phosphate finish for corrosion resistance. WallDrive sockets allow a transfer of up to 30% more torque to the fixing. Low profile sockets with a depth of just 28mm, ideal for use in any application where access is restricted. Suitable for use with air/electric impact guns. Supplied in storage case.