Part #: A-BC-47121 ABOUT THE PART CMA Base Coats are urethane based and Single Stage are enamel based produced using quality tints and binders to replicate the factory finish on your vehicle. Please note that color match can be affected by age of vehicle. CMA uses the OE formula and high-tech computer controlled mixing equipment, to achieve precise color matches to the original finish formula. CMA basecoats may be used with any urethane or polyurethane clear-coat. Instructions are included with each shipment to ensure good results.