Used for color coding of wire and cable insulation and by Electronics Industries Assoc. (Std. RS359-A) for use with electronics components. Ten color charts in binder: Red, Orange, Brown, Yellow, Green, Blue, Violet (Purple), White, Gray (Slate), and Black. Each chart defines the Centroid (ideal) color and the permissible tolerances. High gloss chips are permanently mounted on 8.5" x 11" chart. Includes 3" x 5" swatch of each Centroid and copy of STD. RS359-A.