Manufactured from Chrome Molybdenum steel with manganese phosphate finish for added resistance from corrosion. Low profile for use in areas that may otherwise be inaccessible. Supplied in an EVA storage tray.9pc 1/4 & 3/8Sq Drive Low Profile Hex Impact Socket Bit Set• Manufactured from Chrome Molybdenum steel with manganese phosphate finish for added resistance from corrosion.• Low profile for use in areas that may otherwise be inaccessible.• Contents: 1/4Sq Drive; 6 7 8 10mm 3/8Sq Drive; 12 14 17 18 19mm.• Supplied in an EVA storage tray.• Lifetime guarantee*.• Model No. AK5525Model No: AK5525:Brand: Premier:Contents: 1/4Sq Drive; 6PTDSEAAK5525