Hardened and tempered Chrome Vanadium steel bar with a coloured high chrome finish. Long, slim style handles and spring loaded socket retention. Fully replaceable knuckle joint*. *Note: Knuckle joints are not covered by the lifetime guarantee and are treated as consumable items. One of a comprehensive range of Premier Hand Tools, suitable for daily professional use. Hardened and tempered Chrome Vanadium steel bars with a coloured high chrome finish. Long, slim style handles and spring loaded socket retention. Fully replaceable knuckle joint*. Lifetime guarantee*. *Note: Knuckle joints are not covered by the lifetime guarantee and are treated as consumable items.