High grade steel hex key set with Wera\'s patented Hex-Plus profile. This enables 20% more torque to be applied without damaging and rounding out the socket screw. Often with a damaged screwhead 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. Multi-coloured sleeves allow quick and easy selection of the required size.