Sizes: 1.5, 2, 2.5, 3, 4, 5, 6, 8, 10mm. High grade steel Wera hex key set with Wera''s patented Hex-Plus profile. This profile means that 20% more torque can be applied without damaging and rounding out the socket screw. Often with a damaged screw head these hex keys will undo the screw where others fail. Made from round bar with machined ends for a precision fit and extra strength. The thermoplastic sleeve makes these keys very comfortable during use, especially over long periods and in cold conditions. • High corrosion protection due to the 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