The Harmonize Universal Shade Guide is designed to help doctors better utilize the Harmonize composite; it contains 12 tabs corresponding to Harmonize shades A1E, A2E, A3E, A3.5E, A4E, B1E, C2E, XLE, A1D, A2D, A3D, and Translucent Clear. Kit Contains: 1 Harmonize Universal Shade Guide including 12 shade sticks for composite color matching. Shade sticks for A1E, A2E, A3E, A3.5E, A4E, B1E, C2E, XLE, A1D, A2D, A3D, TC.