View your finished artwork and judge its color and composition using The Color Wheel Company™ ViewCatcher™. Made from ABS plastic, this value finder provides durability for years. You can hold this value estimator horizontally or vertically at different angles to examine the right composition. Featuring a small sight opening, this view catcher allows you to see the true color. This gray value finder measures up to 3.5 inch x 3.5 inch.