7 Piece Hex Socket Set Made From Hardened Steel Chain, 3/8" Drive S2 Steel Bits, Zinc Phosphate Bits For Corrosion Resistance, Chrome Vanadium Steel Inserts Meets or Exceeds ANSI Standards Contents: 7 Piece 3/8" Drive Hex Bit Socket Set - SAE: 1/8, 5/32, 3/16, 7/32, 1/4, 5/16, 3/8" Blow Moulding Limited lifetime warranty