Manufactured from hardened and tempered Chrome Molybdenum steel with a fully polished mirror finish. Suitable for use with extension bars and ratchet wrenches. Ideal for applications where access is limited. Supplied on storage rail.10pc 3/8Sq Drive Crows Foot Spanner Set• Manufactured from hardened and tempered Chrome Molybdenum steel with a fully polished mirror finish.• Suitable for use with extension bars and ratchet wrenches.• Ideal for applications where access is limited.• Sizes: 10 11 12 13 14 15 16 17 18 19mm.• Supplied on storage rail.• Lifetime guarantee*.• Model No. AK5989Model No: AK5989:Brand: Premier:Contents: 10PTDSEAAK5989