General Finishes RTM (Ready To Match) Stain System for professional finishers, industrial users, and OEM manufacturing facilities makes color-matching the easiest process on the market. The system consists of 12 ready-to-use LOW VOC water-based stains plus a clear base; a chip box with over 100 color formulas on two-sided color chips plus stock color chips; and a formula book available in print/digital format to calculate any quantity of stain. Intermix the stains and base to design your own colors. Brush or spray application. See our spray tip size recommendations here.