Platinum Series, manufactured from hardened and tempered Chrome Vanadium steel with a micro satin finish. Long slim style handle and spring loaded socket retention. Features anti-slip comfort grip. Fully replaceable knuckle joint*. One of a comprehensive range of Premier Hand Tools, suitable for daily professional use. Platinum Series, manufactured from hardened and tempered Chrome Vanadium steel with a micro satin finish. Long slim style handle and spring loaded socket retention. Features anti-slip comfort grip. Fully replaceable knuckle joint*. Lifetime guarantee*. *Note: Knuckle joints are not covered by the lifetime guarantee and are treated as consumable items.