General description Sealey Premier Impact Socket Adaptor Set includes a set of impact adaptors designed for use with all types of impact tools. Manufactured from drop-forged Chrome Molybdenum steel, these adaptors feature a manganese phosphate finish that provides excellent corrosion resistance. Technical specifications Model No.: AK5523 Contents: 3/8"(F) x 1/4"(M), 1/4"(F) x 3/8"(M), 3/8"(F) x 1/2"(M), 1/2"(F) x 3/8"(M) Sq. Drive EAN: 5054511827378 Other information Lifetime guarantee* Part of a comprehensive range of Premier Hand Tools, suitable for daily professional use.