Contains metric T-handle hex key sizes: 2, 2.5, 3, 4, 5, 6, 8,10 mm All t-handle hex keys feature 9' long blades for access into hard-to-reach spots Orange PVC dipped handles provide excellent grip and are easy to find inside the toolbox Corrosion resistant black phosphate finish for years of reliable use This hex t handle set meets ANSI standards and is backed by a limited lifetime warranty