T handle Allen key sets or T handle hex key sets consist of a set of different sized T handle Allen keys in a case, stand or clip for use with a range of hex screw sizes. T bar Allen keys have a T shaped handle at one end which provides the user with extra comfort and improved grip as well as making it easier for extra torque to be applied when loosening tight screws. T handle Allen key sets are practical and convenient as they keep all the Allen keys in one place providing instant access to the size required, they are also easy to transport and store. T handle Allen key sets are used by both professionals and DIY enthusiasts in automotive repair and mechanical work and any other application that involves working with hexagonal screws.