Manufactured from hardened and heat treated Chrome Molybdenum steel. Suitable for limited access applications. Phosphate finish for corrosion resistance. Supplied in storage case.15pc 3/8Sq Drive Crows Foot Spanner Set• Manufactured from hardened and heat treated Chrome Molybdenum steel.• Suitable for limited access applications.• Phosphate finish for corrosion resistance.• Sizes: 8 9 10 11 12 13 14 15 16 17 18 19 21 22 24mm.• Supplied in storage case.• Lifetime guarantee*.• Model No. AK5983Model No: AK5983:Brand: Premier:Contents: 8PTDSEAAK5983