High grade steel hex key set with hex-plus profile. Machined ends for a precision fit and extra strength. Thermoplastic sleeve makes the keys comfortable to use, especially over long periods and in cold conditions. High corrosion protection due to BlackLaser surface treatment. Practical rubber clip keep the keys secure. Ball-end tip on long arm gives better access to restricted areas. 'Take it Easy’ tool finder system is used on the coloured sleeves to allow quick and easy selection of the required size.